Ivydene Gardens Companion Planting: Companion Plant : A
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This Companion Plant A-Z Table shows in tabular form the following, as a quick reference guide:-
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Some plants are antagonistic so must be kept apart! |
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"Best time for planting Alliums starts end of September till end October, or before it starts freezing they need to develop roots before the soil becomes solid. In general Allium bulbs need to have 3 to 4 times the height of the bulb of soil on top of them and most like mulching. They do like some old cattle manure (compost) when planting. We are in zone 2 – 3 here and we grow them all outside in the open. In the wild they’re often covered with dead grass/twigs or bush, we give them a winter cover of leaves or straw. In the growing stage they need moisture but after flowering, bulbs need warm and dry conditions to get ready for winter and the next flowering season. It is wise to replant the big Allium bulbs every 2-3 years, as they will have used up all the necessary nutrients they need at that spot. At the same time you should divide the bulbs while planting, that way you will get extra Alliums. " from Alliums-Everywhere who sell them in Canada |
ORIGINAL PLANT |
PEST/DISEASE |
COMPANION PLANT |
ANTAGONISTIC PLANT OR TO PEST/-DISEASE |
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Acidanthera |
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Chamaecyparis |
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Allium albopilosum, Allium caeruleum,
Allium elatum, Allium rosenbachianum, Allium stipitatum |
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Salvia officinalis, Ballota |
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Viburnum farreri, Hamemelis |
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Allium neapolitanum |
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Bergenia, Pulmonaria |
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Allium ostrowskianum |
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Sage |
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Amaryllis bulbs |
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Zephyranthes, |
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American Chestnut |
Chestnut blight |
Oak |
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Galanthus, Winter aconite, Hebe 'Pagei', |
Site design and content copyright ©December 2006 Chris Garnons-Williams. Page structure amended September 2012. May 2017 Template created May 2017 for all pages. DISCLAIMER: Links to external sites are provided as a courtesy to visitors. Ivydene Horticultural Services are not responsible for the content and/or quality of external web sites linked from this site. |
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Anemone 'De Caen' and |
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Alyssum saxatile, Lavender, |
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Anemone fulgens 'Multipetala' |
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Lavender, |
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Narcissus |
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Anemone pavonina (Peacock Anemone) |
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Cistus, |
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Anemone ranunculoides |
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Anemone hepatica, Trillium |
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Angelica |
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Stinging nettle |
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Anise (Pimpenella anisum) |
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Coriander, |
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Anomatheca laxa and Anomatheca cruenta |
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Corydalis ochroleuca |
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Apple (Malus) |
Scab. Woolly Aphid |
Chives (Chives inhibit the formation of apple scab). |
Grass (Grass roots exude gas which shrivels the tender root-tips of apple trees), Carrots will turn bitter and potatoes become tasteless and start to rot if stored with apples. |
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Apricots |
Fruit-fly |
Scent from Basil, Tansy or Southernwood clumps round tree |
Oat and tomato roots with Apricot roots inhibit each others growth |
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Artemisia |
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Fruit tree |
Moth |
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Arum italicum 'Pictum' |
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Galanthus, |
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Asparagus |
Asparagus beetle ( Crioceris asparagi ). |
Tomato. |
Onion |
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Aubergine ( Solanum melonena ) |
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Pea, |
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Azalea |
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juglone from black walnut tree leaves |
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COMPANION PLANTING Site Map Companion Plant A Companion References Biodynamics Introduction |
The 2 EUREKA EFFECT PAGES FOR UNDERSTANDING SOIL AND HOW PLANTS INTERACT WITH IT OUT OF 15,000:-
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Choose 1 of these different Plant selection Methods:- 1. Choose a plant from 1 of 53 flower colours in the Colour Wheel Gallery. 2. Choose a plant from 1 of 12 flower colours in each month of the year from 12 Bloom Colours per Month Index Gallery. 3. Choose a plant from 1 of 6 flower colours per month for each type of plant:- 4. Choose a plant from its Flower Shape:- 5. Choose a plant from its foliage:- 6. There are 6 Plant Selection Levels including Bee Pollinated Plants for Hay Fever Sufferers in or 7. 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 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
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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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• Watering Schedule - Far and away the best course of action against slugs in your garden is a simple adjustment in the watering schedule. Slugs are most active at night and are most efficient in damp conditions. Avoid watering your garden in the evening if you have a slug problem. Water in the morning - the surface soil will be dry by evening. Studies show this can reduce slug damage by 80%.
• Seaweed - If you have access to seaweed, it's well worth the effort to gather. Seaweed is not only a good soil amendment for the garden, it's a natural repellent for slugs. Mulch with seaweed around the base of plants or perimeter of bed. Pile it on 3" to 4" thick - when it dries it will shrink to just an inch or so deep. Seaweed is salty and slugs avoid salt. Push the seaweed away from plant stems so it's not in direct contact. During hot weather, seaweed will dry and become very rough which also deters the slugs.
• Copper - Small strips of copper can be placed around flower pots or raised beds as obstructions for slugs to crawl over. Cut 2" strips of thin copper and wrap around the lower part of flower pots, like a ribbon. Or set the strips in the soil on edge, making a "fence" for the slugs to climb. Check to make sure no vegetation hangs over the copper which might provide a 'bridge' for the slugs. Copper barriers also work well around wood barrels used as planters.
• Diatomaceous Earth - Diatomaceous earth (Also known as "Insect Dust") is the sharp, jagged skeletal remains of microscopic creatures. It lacerates soft-bodied pests, causing them to dehydrate. A powdery granular material, it can be sprinkled around garden beds or individual plants, and can be mixed with water to make a foliar spray.
• Electronic "slug fence" - An electronic slug fence is a non-toxic, safe method for keeping slugs out of garden or flower beds. The Slugs Away fence is a 24-foot long, 5" ribbon-like barrier that runs off a 9 volt battery. When a slug or snail comes in contact with the fence, it receives a mild static sensation that is undetectable to animals and humans. This does not kill the slug, it cause it to look elsewhere for forage. The battery will power the fence for about 8 months before needing to be replaced. Extension kits are availabe for increased coverage. The electronic fence will repel slugs and snails, but is harmless to people and pets.
• Lava Rock - Like diatomaceous earth, the abrasive surface of lava rock will be avoided by slugs. Lava rock can be used as a barrier around plantings, but should be left mostly above soil level, otherwise dirt or vegetation soon forms a bridge for slugs to cross.
• Salt - If all else fails, go out at night with the salt shaker and a flashlight. Look at the plants which have been getting the most damage and inspect the leaves, including the undersides. Sprinkle a bit of salt on the slug and it will kill it quickly. Not particularly pleasant, but use as a last resort. (Note: some sources caution the use of salt, as it adds a toxic element to the soil. This has not been our experience, especially as very little salt is used.)
• Beer - Slugs are attracted to beer. Set a small amount of beer in a shallow wide jar buried in the soil up to its neck. Slugs will crawl in and drown. Take the jar lid and prop it up with a small stick so rain won't dilute the beer. Leave space for slugs to enter the trap.
• Overturned Flowerpots, Grapefruit Halves, Board on Ground - Overturned flowerpots, with a stone placed under the rim to tilt it up a bit, will attract slugs. Leave overnight, and you'll find the slugs inside in the morning. Grapefruit halves work the same way, with the added advantage of the scent of the fruit as bait.
• Garlic-based slug repellents
Laboratory tests at the University of Newcastle-Upon-Tyne (UK) revealed that a highly refined garlic product (ECOguard produced by ECOspray Ltd, a British company that makes organic pesticides) was an effective slug killer. Look for garlic-based slug deterrents which will be emerging under various brand names, as well as ECOguard.
• Coffee grounds; new caffeine-based slug/snail poisons - Coffee grounds scattered on top of the soil will deter slugs. The horticultural side effects of using strong grounds such as espresso on the garden, however, are less certain. When using coffee grounds, moderation is advised. |