Rock Plant Colour Wheel - Flowers Link Map Click on Number in Colour Wheel or Black sections below:- |
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Some abbreviations have been used in compiling the list of Rock Plants for small gardens in order to make it possible to provide all the required information at a glance in a condensed form. |
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Name |
First is the name of the genus to which the plant belongs which is given in capitals. Under the generic name the names of the species and varieties are recorded. Link to photos, cultivation details or mail-order business that sells it. Link in *** to Rock Garden Colour Wheel Page with photo of the plant at bottom of page. Then, More Photos Page links to further photos / description in its Rock Plant Photos Gallery Page. |
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Suitability |
Details of which container to grow the plant in:-
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Type |
Abbreviated to:-
followed by
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Height and Spread |
The approximate height is given first in inches, followed by the approximate spread, when mature. 1 inch (") = 25.4 millimetres (mm) |
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Soil |
The figures A, B, C and D denote that the plant in question requires one of the following soil mixtures:-
which may be followed by Where no additional letter is given, the plant will thrive under either condition. |
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Position and Protection |
The following terms and abbreviations used singly or in combination will minimize the risk of planting in an unsuitable spot:-
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Flower Colour, Nearest Colour Wheel - Flowers Colour and Months of Flowering |
These 3 columns are self-explanatory;
A double entry such as |
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Propagation |
A general idea to the best method of increasing the stock:-
may be followed by
A combination of the above will denote that the plant can be increased by all the methods which those abbreviated letters stand for. |
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Propagation Seed Composts |
"I am giving 3 types of composts which will be numbered 1, 2 and 3 so that they will not be confused with the potting mixtures. The number of the compost will be noted under the heading of propagation in the list of plants. These are not offered as the only types in which seedlings may be grown, but they have proved their worth over many years. As it will only be on rare occasions that a bushel of compost of any one of the seed mixtures will be required, I will give the size of the box which can be constructed easily to hold a quarter of a bushel, an amount more in keeping with the average amateur's need. The inside measurements of the box, which is best made of wood are 10 by 10 x 5.5 inches deep (25 by 25 x 13.25 cms). By doubling the depth a half bushel measure is available. Compost 1
and well mix the whole together dry. Afterwards to this is added
to each bushel of compost. If this mixture is to be used for plants which are lime haters, the chalk should be omitted.
Compost 2
Compost 3
Both composts 2 and 3 need a very fine sprinkling of superphosphate of lime, just under 0.5 ounce for a quarter of a bushel of mixture or to be more precise 3/8 of an ounce. The superphosphate is needed by the seedlings in their early growth. In fact it is essential as a plant food as soon as the seed starts to germinate, so it must be mixed with the composts, not applied afterwards. " from Collector's Alpines by Royton E. Heath published in 1964 by Collingridge Limited. |
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Site design and content copyright ©October 2010. Page structure amended November 2012. Rock Plant Photos Gallery added August 2013. Topic Menu amended July 2015. Chris Garnons-Williams. |
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Vancouver Island Rock and Alpine Garden Society is a club of plant lovers living near Victoria, British Columbia, Canada, who visit, study, photograph, draw and grow alpine plants, bog dwellers and woodlanders, whether native or exotic. We encourage the propagation and distribution of plants.
List of Desirable Plants (from Vancouver Island Rock Asterisks following entries in the list denote plants known to the author from local gardens. Double asterisks indicate species which have done particularly well in the author's rock garden which is located mostly on south-facing slopes. No, or only short-term experience is available for the unmarked species, but they are expected to perform well and should be tried wherever obtainable.
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There are other pages on Plants which bloom in each month of the year in this website:-
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THE 2 EUREKA EFFECT PAGES FOR UNDERSTANDING SOIL AND HOW PLANTS INTERACT WITH IT OUT OF 15,000:-
or
when I do not have my own or ones from mail-order nursery photos , then from March 2016, if you want to start from the uppermost design levels through to your choice of cultivated and wildflower plants to change your Plant Selection Process then use the following galleries:-
I hope that you find that the information in this website is useful to you:- I like reading and that is shown by the index in my Library, where I provide lists of books to take you between designing, maintaining or building a garden and the hierarchy of books on plants taking you from
There are these systems for choosing plants as shown in
82 rock garden plants (with photos) suitable for small garden areas; split into:-
I am taking photos of rock garden plants suitable for small gardens and if they do not have their own Plant Description Page in this website, then each photo of each plant will be located at the bottom of the relevant 1 of 52 Rockgarden Flower Colour Wheel pages. Usually a link in *** to that page of 35 will be included in the Name field of the respective Index Page, for:-
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Ivydene Gardens Rock Garden Plants Suitable for Small Gardens in Colour Wheel Gallery:
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Botanical Plant Name |
Suit-ability |
Type |
Height and Spread in Inches |
Soil |
Position and Pro-tection |
Flower Colour / Nearest Colour Wheel - Flowers Colour |
Months of Flowering |
Propa-gation |
|
Acantholimon is a genus of dwarf perennial plants with hard, usually grey, spiny leaves and tufted cushion-like growth. Natives of hot dry countries from Asia Minor eastwards, they need a sunny, raised position, and very sharp drainage. They are attractive at all seasons because of their tufts of needle-like leaves, and habit of remaining neat after flowering, owing to the persistent calyces. Acantholimon is from the Greek words akantha, a thorn, and limonium, sea-lavender, to which the plant is related. |
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A |
SSE |
6 x 6 |
A |
Sun |
June |
CH |
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A |
SSE |
3 x 4 |
A |
Sun |
White |
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June |
CH |
|
A |
SSE |
3 x 6 |
A |
Sun |
July |
CH |
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libanoticum |
A |
SSE |
3 x 4 |
A |
Sun |
CH |
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A |
SSE |
6 x 6 |
A |
Sun |
CH |
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A |
SSE |
6 x 6 |
A |
Sun |
CH |
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Yarrow or Milfoil species suitable for the rock garden owe much of their value to their finely cut foliage. The name achillea honours the Greek hero Achilles, who was taught in his youth the healing properties of this plant by his tutor Chiron the Centaur. Requires sunny positions in any good, well-drained soil. They may live longer and certainly flower more freely in soil which is poor rather than rich. |
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A |
E |
4 x 6 |
A |
Sun |
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June |
C |
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A |
E |
8 x 12 |
A |
Sun |
July |
D |
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A |
E |
6 x 6 |
A |
Sun |
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RC |
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A |
E |
4 x 6 |
A |
Sun |
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July |
RC |
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These Adonis species have leaves divided in 3, with each segment much subdivided into linear divisions to the base. They are entirely herbaceous and the first sign of life in the New Year is the fat flower bud guarded by the under-developed leaves. The flower opens before the leaves are fully developed, and is a conspicuous feature in early spring with its ample yellow petals and boss of golden stamens. The following are both under 6" when the flowers first open, but later the leafy stems develop to their full height, forming a densely feathery clump. They can be increased by seeds or by division in the early spring as soon as growth begins. "Habitat in gardens |
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A |
HP |
9 x 9 |
AL |
Sun |
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March |
S |
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A |
HP |
9 x 9 |
AL |
Sun |
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April |
S |
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AETHIONEMA |
These little sub-shrubs have a neat, bushy habit, the much-branched stems bearing many narrow, rather succulent little leaves, usually of a lovely blue-grey. The individual flowers, in shades of pink, are small, but they are borne in many headed clusters at the ends of the branches. They are easy to grow in any light, well-drained soil, in full sun. They are lime-lovers but will tolerate neutral soil. Propagate by seeds or by cuttings made from soft growth tips before flower buds are formed. |
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A |
SSE |
4 x 8 |
A |
Sun |
GC |
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coridifolium |
A |
E |
6 x 8 |
AL |
Sun |
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GC |
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A |
E |
10 x 12 |
AL |
Sun |
June |
GC |
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A |
E |
6 x 12 |
AL |
Sun |
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GC |
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B |
SSE |
3 x 4 |
A |
Sun |
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June |
GCS |
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A |
E |
8 x 9 |
AL |
Sun |
Pink |
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May |
GC |
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A |
SSE |
4 x 8 |
A |
Sun |
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GC |
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A |
E |
4 x 20 |
A |
Sun |
May-August |
GC |
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ALECTORURUS |
From alectryon, a cock, and urus, a tail. A reference to the arching panicle. |
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"A plant of the local race (var. platypetala) of Alectorurus yedoensis, a liliaceous plant with flower stems 10cm tall bearing very small brown-tinged white flowers." from Plant Hunting in Yakushima in Barnes-Botany. |
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The majority of the onions are too large for alpine house or frame culture. The smell of garlic is hardly ever noticeable unless the plant is bruised. They can bridge the flowering gap between the spring and autumn bulbs. Most have narrow, linear leaves, and have flowers in umbels held well above the leaves, which are visited by bees for the nectar. |
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A |
B |
5 x 4 |
A |
Sun |
Pale Pink |
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August |
S |
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A |
B |
6 x 3 |
A |
Sun |
Blue |
July |
S |
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mairon var. amabile |
"Allium mairei H. Léveillé.韭 Dian jiu (Chinese). Dainty rose-pink flowers bloom for weeks in July-August amid grassy foliage. Sometimes called A. amabile or A. mairei var. amabile. Amabile is Latin for "pleasing," and that's what this little clump-former is, both in moist areas and in the rock garden, as long as it gets sun. Native to SW Sichuan, SE Tibet [Xizang] and Yunnan provinces in China. Introduced from NY Yunnan by George Forrest, who found it in high alpine meadows. Our stock is from garden seed. Height 10-15 cm (4-6"). Zone 6." from Pacific Rim Native Plant Nursery in Canada. |
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A |
B |
6 x 3 |
A |
Sun |
Pink |
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August |
S |
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A |
B |
6 x 4 |
A |
Sun |
Pink |
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August |
S |
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A |
B |
6 x 3 |
A |
Sun |
Blue |
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July |
S |
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Leaves are small and often silvery hairy. The 4-petalled flowers are almost invariably yellow. Alyssum is from the Greek a, not or against, and lyssa, rage or madness. This herb was sometimes thought to be a specific against madness and rabies. They are avid sun-lovers and tolerant of any reasonably good soil as long as the drainage is good. |
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alpestre |
A |
SE |
3 x 6 |
A |
Sun |
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June |
C |
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A |
SE |
2 x 6 |
A |
Sun |
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May |
C |
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A |
SE |
3 x 6 |
A |
Sun |
C |
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A |
SE |
2 x 9 |
A |
Sun |
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June |
C |
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A |
SE |
6 x 4 |
A |
Sun |
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C |
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A |
SE |
2 x 6 |
A |
Sun |
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May |
C |
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Anacyclus depressus is a native of the Atlas Mountains, which makes prostrate, large rosettes of fine much cut, ferny light green foliage and radiating stems bearing the large single, white daisy-like flowers with bright red backs in May. Anacyclus is a shortened form of the Greek Ananthocyclus, from an, without, anthos, a flower, and kuklos, a ring. The following plant should be Anacyclus pyrethrum var. depressus |
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A |
E |
3 x 9 |
A |
Sun |
White, red reverse |
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May |
S |
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"These plants are fabled as having the power to banish melancholy - in fact Linnaeus derived the name from the Greek anagelao - to laugh. For each square inch (2.5 cms x 2.5 cms), I know of no plant which gives a greater display of colour." from Alpines in Colour and Cultivation by T.C. Mansfield. First published in 1942 and reprinted in 1947 by Ben Johnson Limited. |
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collina (Syn. |
A |
E |
3 x 9 |
AN |
Sun |
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May |
GC |
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A |
HP |
1 x 10 |
BN |
Sun |
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June |
D |
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ANDROMEDA |
Native to the Arctic and temperate regions of the northern hemishphere. Polifolia compacta and Polifolia minima have been introduced to the UK from Japan. Named by Linnaeus after the mythological maiden who was chained to a rock as an offering to a sea-monster and rescued by Perseus. |
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C |
SE |
6 x 9 |
CN |
S |
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May |
GC |
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C |
SE |
6 x 9 |
CN |
S |
Pink |
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May |
GC |
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polifolia minima |
C |
SE |
2 x 6 |
CN |
S |
Pink |
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May |
GC |
A genus of over 100 species, extending throughout Europe, Asia and Pacific North America. Androsace is from the Greek aner, a man, and sakos, a shield, a name used by Dioscorides for another plant. The floral structure is that of a primrose in miniature and are attractive. The very high alpine species, mostly European, are strongly saxatile, and make dense cushions of tightly packed leafy stems, bearing in the centre of each terminal rosette a single white or pink flower, sessile or on a stem up to 0.5 inch. In the mountains, the cushions are firm and often so crowded with flowers that these cannot open fully. In cultivation, however, it is by no means easy to keep them healthy and in character, so here is 3 cultivation hints for after the 3rd season of growth:
Winter damp is fatal and overhead protection is then essential, although they are impervious to cold. A meagre, very gritty soil and a position in a chink between rocks helps to keep the plants compact. Seed germinates well, although sometimes tardily. Single rosettes of the cushion androsaces will strike as cuttings.
"The book "Androsace - The Genus" by G.F.Smith & D.B. Lowe - This is the first modern comprehensive guide to the genus Androsace. Each species is fully described and painstakingly illustrated. The cultivation of androsaces is described and each species has a map to show its distribution in the wild. In addition, there is a series of accurate keys to enable the species to be identified. The authors were both well known and respected writers and lecturers on alpine plants, with a special interest in the family Primulaceae, of which Androsace is a key genus for alpine enthusiasts." from the Alpine Garden Society Bookshop. How to grow Androsace vandellii by Geoff Rollinson as an article in Page 295 of The Alpine Gardener Journal of the Alpine Garden Society Volume 81 No. 3 September 2013. |
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aizoon coccinea (Syn. A. bulleyana) |
A |
HE |
6 x 6 |
A |
Sun |
June |
S |
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B |
E |
1 x 4 |
D |
PS |
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S |
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brevis (Syn. A charpentieri) |
A |
HE |
1 x 3 |
A |
Sun |
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May |
S |
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A |
HE |
3 x 4 |
A |
Sun |
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May |
S |
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A |
HE |
3 x 6 |
A |
Sun |
Pink |
|
May |
S |
|
A |
HE |
3 x 6 |
A |
Sun |
|
May |
S |
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A |
HE |
2 x 4 |
A |
Sun |
Pink |
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April |
S |
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A |
HE |
2 x 3 |
A |
Sun |
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S |
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A |
HE |
2 x 6 |
A |
Sun |
Rose |
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May |
S |
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B |
HE |
0.5 x 3 |
D |
Sun C P |
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S |
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B |
HE |
2 x 4 |
D |
Sun C P |
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S |
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B |
HE |
1 x 4 |
D |
Sun C P |
White |
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May |
GC |
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B |
HE |
6 x 8 |
D |
H S P |
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June |
SL |
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B |
HE |
1 x 4 |
D |
Sun |
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May |
SL |
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B |
HE |
2 x 3 |
D |
Sun C P |
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April |
SL |
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B |
HE |
2 x 4 |
D |
Sun C P |
White |
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April |
GC |
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A |
HE |
6 x 6 |
A |
Sun |
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S |
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A |
E |
3 x 9 |
AN |
Sun |
June |
GC |
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B |
HE |
1 x 4 |
D |
Sun C P |
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S |
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B |
HE |
1 x 4 |
D |
Sun C P |
April |
SGC |
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A |
E |
3 x 9 |
AN |
Sun |
July |
GC |
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A |
HE |
2 x 6 |
D |
Sun |
GC |
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B |
HE |
6 x 6 |
D |
Sun C P |
S |
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B |
HE |
1 x 3 |
D |
HS |
S |
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villosa taurica |
B |
E |
1 x 6 |
D |
Sun |
White |
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April |
S |
A |
HE |
2 x 4 |
A |
Sun |
D |
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A |
HE |
2 x 6 |
A |
Sun |
White |
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April |
D |
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The Windflowers are mostly herbaceous, tuberous or rhizomatous perennials inhabiting the temperate regions of the world, also at higher altitudes in the warmer climates, their natural distribution being the Northern parts of South America, South Africa and Asia. Their cultural needs differ. The name Anemone may be a corrupted Greek word borrowed from the Semitic and referring to the lament for the slain Adonis, or Naaman, whose scattered blood produced the blood-red Anemone coronaria. |
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A |
HP |
4 x 8 |
A |
Sun |
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April |
DS |
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A |
HP |
3 x 6 |
A |
Sun |
May |
S |
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blanda |
A |
HP |
4 x 8 |
A |
Sun |
DS |
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A |
HP |
4 x 8 |
A |
Sun |
Blue |
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April |
DS |
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B |
HP |
6 x 6 |
BN |
Sun |
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May |
S |
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magellanica lesseri |
B |
HP |
6 x 6 |
BN |
Sun |
Red |
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April |
S |
C |
HP |
3 x 9 |
C |
PS |
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June |
S |
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A genus of sun-loving plants, natives of Central and Southern Europe. Well suited to any average garden soil. |
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A |
SE |
3 x 8 |
A |
Sun |
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C |
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A |
SE |
3 x 8 |
A |
Sun |
Red |
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May |
C |
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Seed is the only practical method of increasing the dwarf 'Columbine' but unfortunately all the species readily hybridise with each other so that where a number of different plants are grown together, steps must be taken at flowering time to isolate the flowers required for seed. The majority of the species vary in height and are best purchased as adult flowering plants so that plants of dwarf stature are obtained. 90 minute DVD/video demonstrates sowing and growing, pests and breeding with data on cultivars by Carrie Thomas - holder of 2 National Collections of Aquilegias - from Touchwood Plants and Seeds. |
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A |
HP |
6 x 5 |
B |
A |
Deep Blue |
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S |
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B |
HP |
4 x 4 |
B |
Sun |
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May |
S |
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B |
HP |
4 x 4 |
B |
Sun |
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May |
S |
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A |
HP |
6 x 6 |
B |
Sun |
June |
S |
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A |
HP |
6 x 6 |
B |
Sun |
Blue sepals, white petals |
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May |
S |
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A |
HP |
6 x 6 |
B |
Sun |
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May |
S |
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A |
HP |
4 x 6 |
B |
Sun |
White |
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May |
S |
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flabellata nana |
A |
HP |
4 x 6 |
B |
Sun |
Blue |
|
May |
S |
A |
HP |
4 x 6 |
B |
Sun |
Blue |
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May |
S |
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B |
HP |
3 x 4 |
A |
Sun |
|
S |
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B |
HP |
4 x 6 |
A |
Sun |
Blue |
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June |
S |
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B |
HP |
2 x 3 |
A |
Sun |
|
S |
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B |
HP |
6 x 6 |
B |
Sun |
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May |
S |
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A |
HP |
6 x 6 |
A |
PS |
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May |
S |
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B |
HP |
4 x 6 |
A |
Sun |
Blue sepals, white petals |
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June |
S |
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B |
HP |
4 x 6 |
A |
Sun |
Flax blue |
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S |
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Useful in growing in sunny walls along with alyssums and aubretias. "Arabis, or rock cress, is a large genus of mainly small plants, many of them very suitable for sunny, well-drained places in rock gardens. They have four petals, usually white but sometimes pink or other colours. They come from the northern hemisphere, and recent research has indicated that most species from America are genetically distinct, and the name Boechera is now recommended for these species." from Kevock Garden. |
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B |
HE |
1 x 4 |
D |
Sun |
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GC |
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B |
HE |
2 x 4 |
D |
Sun |
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April |
GC |
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B |
HE |
1 x 3 |
D |
Sun |
White |
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May |
GC |
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B |
HE |
2 x 5 |
A |
Sun |
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April |
GC |
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cypria |
A |
HE |
6 x 6 |
A |
Sun P |
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April |
S |
|
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nana |
C |
SE |
2 x 8 |
CN |
S |
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April |
GCL |
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ARCTOSTAPHYLOS |
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alpina (Syn. Arctous alpinus) |
C |
SD |
2 x 9 |
BN |
S |
White |
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May |
GC |
alpina ruber |
C |
SD |
2 x 9 |
BN |
S |
White |
|
May |
GC |
C |
SE |
3 x 12 |
BN |
S |
|
May |
GC |
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C |
SE |
8 x 8 |
BN |
S |
Pink |
|
May |
GC |
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From the latin arena, sand, an allusion to the fact that many of the family grow in sandy places, thus the common name of Sandwort. |
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grandiflora *** |
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ledebouriana |
A |
HE |
4 x 6 |
A |
Sun |
White |
|
May |
GC |
montana *** |
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norvegica (Arenaria norvegica anglica is one of the globally threatened plant species which occurs in Britain from the 33,798 flowers, trees, grasses and ferns in the Red List of Threatened Plants published on April 8 1998 out of a world total of 270,000) |
A |
HE |
2 x 4 |
A |
Sun |
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GC |
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A |
HE |
2 x 6 |
A |
Sun C |
|
GC |
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A |
HE |
1 x 4 |
A |
Sun |
White |
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June |
GC |
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ARMERIA |
"A genus that includes our native sea pink or thrift, often seen on coastal rocks. They make mats of bright green grassy foliage, with lots of pink or white button flowers, usually on short stems." from Kevock Garden. |
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A |
HE |
2 x 6 |
A |
Sun |
Pink |
|
May |
GC |
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A |
HE |
2 x 6 |
A |
Sun |
Deep Pink |
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May |
GC |
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B |
HE |
1 x 6 |
D |
Sun |
Silver foliage |
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May |
GC |
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schmidtiana nana |
A |
E |
3 x 9 |
A |
Sun |
Silver foliage |
|
May |
GC |
mutellina |
A |
SSE |
2 x 6 |
A |
Sun |
Silver foliage |
|
May |
GC |
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lilaciflora |
B |
HE |
0.5 x 6 |
A |
Sun P |
|
June |
GC |
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nitida puberula |
B |
E |
1 x 6 |
A |
Sun |
Light Pink |
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May |
GC |
B |
HE |
2 x 8 |
A |
Sun P |
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GC |
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B |
HE |
2 x 4 |
A |
Sun P |
Pink |
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March |
DS |
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"There are tall astilbes for herbaceous borders and small ones of rock garden stature, but all prefer cool and damp conditions. They are clump-forming perennials with branched spikes bearing a multitude of tiny flowers, usually pink or white, sometimes red, closely packed together into a fuzzy mass. The multiply divided leaves are also attractive, opening with bronze colouring, and the dried flowers stems can stand through the winter, adding structure for many extra months. " from Kevock Garden. |
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A |
HP |
6 x 8 |
B |
Sun |
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July |
D |
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A |
HP |
3 x 6 |
B |
Sun |
Rose-pink |
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July |
D |
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What is a proverb? A piece of wisdom or advice, expressed in a short and memorable way. |
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Actions speak louder than words / Fine words butter no parsnips:- In other words, never mind the pretty speeches, let's see you do something about it. The New Testament epistle of James tells us, 'Be ye doers of the word, and not hearers only'. In the 1970's the Polish-born mathematician Jacob Bronowski expressed the same idea as, 'The word can only be grasped by action, not by contemplation ... The hand is the cutting edge of the mind.' Almost anyone who is anyone has had something to say about actions speaking louder than words, and sitting here thinking about it wont get those parsnips buttered. |
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Fresh food for lunch? (from National Geographic's best photos for 2010!) |
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ROCK GARDEN PLANTS IN COLOUR WHEEL GALLERY PAGES
Small size plant in Flower Colours
Miniature size plant in Flower Colours
Small Size plant flower in Month
Miniature Size plant flower in Month
FLOWERING IN MONTH
including those from the Camera Photo Galleries as detailed in row 3 of the Topic Table on the left.
Click on the centre of each thumbnail in the following flower colour month pages to transfer to the description of that plant in a Camera Photo Gallery Page:-
January
February
March
April
May
June
July
August
September
October
November
December
Dark Tone or Shades
(Colours mixed with Black)
Mid-Tone
(Colours mixed with Grey)
Pure Hue
(the Primary, Secondary or Tertiary Colour named)
Pastel
(Colours mixed with White)
ROCK GARDEN PLANT INDEX
(o)Rock Plant: A
(o)Rock Plant: B
(o)Rock Plant: C
(o)Rock Plant: D
(o)Rock Plant: E
(o)Rock Plant: F
(o)Rock Plant: G
(o)Rock Plant: H
(o)Rock Plant: I
(o)Rock Plant: J
(o)Rock Plant: K
(o)Rock Plant: L
(o)Rock Plant: M
(o)Rock Plant: NO
(o)Rock Plant: PQ
(o)Rock Plant: R
(o)Rock Plant: S
(o)Rock Plant: T
(o)Rock Plant: UVWXYZ
LISTS OF PLANTS SUITABLE FOR VARIOUS SITUATIONS AND PURPOSES:-
THE ROCK GARDEN -
Early Bloom in the Rock Garden.
Summer Bloom in the Rock Garden.
Late Bloom in the Rock Garden.
Rock plants of Creeping and Trailing Habit.
Rock plants with Evergreen Foliage.
Rock Plants with Silvery or Variegated Foliage.
Rock plants needing the protection of Sheet of Glass in Winter.
THE WALL GARDEN -
Plants for sunny sites in the Wall Garden.
Plants for Shady Sites in the Wall Garden.
Plants for a Dry Site on a Wall.
Plants for a Moderately Dry Site on a Wall.
Plants for a Moist Site on a Wall.
Plants for Positions on Top of Walls.
Plants to Hang Down from the Upper Parts of a Wall.
Website Structure Explanation and User Guidelines
DETAILS OF PLANTS IN LISTS FOR THE ROCK, WALL, PAVED, WATER AND BOG GARDENS
Some Good Rock Plants
with Some Plants that Thrive on the Moraine
and
Saxifraga
Plants for the Miniature Rock Garden
with Some Bulbs and Tubers for the Rock Garden,
Some Bulbs for the Alpine House and
Bulbs and Tubers suitable for Naturalizing in Grass
Shrubs for the Rock Garden
with Rounded, Pyramidal, and Erect Growth. Then, Heath-like Lime Haters and last is Trailers and Prostrate Shrubs. Next Table has Gentiana for the Rock Garden followed by Pinks (Dianthus) for the Rock Garden
Moisture-loving Trees and Shrubs for Bog or Water Garden
with Conifers (Dwarf) and Ornamental Grasses for the Rock or Marsh Garden
Plants for Wall Garden
with Plants for the Paved Garden
Plants for the Bog Garden
with Alpine Primulas for the Rock Garden,
Alpine Primulas for the Bog Garden and
Campanulas for the Rock Garden
The Moraine or Scree Garden - Many of the alpines will not prosper in the ordinary rock garden. They require that the natural conditions under which they live in the wild state shall be copied as nearly as possible in the rock garden. The plants to which we refer grow on mountain slopes covered with loose stones, where the melting of the snow during summer provides them with plenty of ice-cold water and where a blanket of snow protects them during the winter. The conditions we must endeavour to reproduce are, therefore: adequate moisture for the roots in summer while the plants are growing, but at the same time good drainage:
and secondly, protection from damp in the winter. The moraine is intended to provide these requirements, and can be made quite cheaply anywhere in the rock garden. Plants requiring very diverse kinds of soil may thus, with great effect, be grown in close proximity.
Making the Moraine
An ideal and natural position for the moraine would be in the sun at the lower end of a miniature valley between 2 rocky spurs, the gorge gradually expanding into a flat bed of scree with occasional boulders strewn over it. The extent of the moraine will vary in proportion to the size of the whole rock garden. If the latter is large, the moraine may cover an area of many square yards (square metres); on the other hand, it may be nothing more than a small, well-drained pocket or crevice filled with moraine mixture in which a single specimen is grown.
To construct the moraine, dig out about 30 inches (75cms) of the soil and make the bottom of the basin or trench slope slightly towards the front: the slope must not be too steep or the moraine will become over-dry in summer. The lower 10 inches (25cms) must be made water-tight by means of puddling with clay or by means of cement. Make an outlet in front, which when closed keeps about 10 inches (25 cms) of water, but not more, in the lowest parts of the basin, while when the outlet is open no water can remain in the basin. Now cover the bottom of the trench with about 10 inches (25 cms) of rubble, stones, or any material that will afford good drainage. Above this place another 6 inches (15 cms) or so of smaller stones roughly 2 inches (5 cms) in diameter; these will fill the gaps between the larger stones and prevent the small grit above from sinking through and blocking the drainage. The hollow is then filled up with a mixture of stone chips and gravel. Over this again is thrown a covering, an inch or so (2.5 cm) in thickness, formed of a mixture of equal parts of ordinary garden soil, leaf mould, and small stone chips similar to those used in frosty weather for sprinkling on wood-paved roads. Limestone or sandstone chips are excellent and easily obtained; flint chips should not be used, as they do not conserve moisture. Place a few boulders in the moraine to break up the surface and to give the plants some protection. A natural trickle of water may be led into the top of the moraine, or each day sufficient moisture may be given from a watering-can to cause an overflow from the outlet at the bottom. From November to May, when no additional moisture is needed in the moraine, the outlet should be left open.
The overflow from the moraine may be led into a small pool, which will add great charm to the rock garden, and is easy to construct while the garden is being made. In it may be grown rushes and small water plants, while the overflow from it will provide an excellent situation for bog plants or for any alpines loving plenty of moisture. When planting, the gardener should remember the conditions under which each plant lives in its native state, and should set it in the rock garden accordingly. Many plants that have proved failures in the rock garden proper will, on transplantation to the moraine, flourish.
The inhabitants of the moraine are not so rampant as many alpines grown in the rock garden proper, but for all that, the more vigorous should be kept in check. A light top-dressing of equal parts of loam, leaf-mould, and stone chips will be required in spring and again in early autumn.
Protection of Plants in Winter
Plants whose leaves are covered with fluff or down are, when in their natural haunts, usually protected from damp during the winter by a coat of snow. When they are grown out of doors in England, they must, therefore, be given a covering of glass during the winter months: that is, from the middle of October to the beginning of March. When the plant is a small one nestling in a crevice between the rocks, it is often possible to cover it with a sheet of glass resting on the surrounding rocks; but when this cannot be done, 4 pieces of stiff galvanized wire should be inserted firmly in the ground and bent over at the top to hold the glass plate securely in position over the plant. If the weather is especially severe or the plant very delicate, 4 additional pieces of glass may be set in the soil and supported by the wires so as to form 4 walls protecting the plant. Sufficient space between the glass roof and the tops of the 4 walls should be left for adequate ventilation (but not enough to admit the rain or snow) or the plants will be liable to damp-off. Hand-lights and bell-glasses may also be used, but in all cases adequate ventilation should be provided. The frost will often raise the plants from the soil, especially those planted the previous autumn. In spring, therefore, each plant should be carefully scrutinized, and, if necessary, gently pressed down into the soil. Dead leaves must be removed from around the plants, and a top-dressing of fine, sandy loam and leaf-mould should be sifted round and close up to the crowns.