Ivydene Gardens Companion Planting: Companion Plant : P
 

This Companion Plant A-Z Table shows in tabular form the following, as a quick reference guide:-

  • name of plant in alphabetical order
  • name of pest/disease of that plant
  • name of antidote to that pest/disease companion plant, or name of companion plant or beneficial insect or animal
  • name of antagonistic plant to that plant or name of a Pest/Disease that this plant is antagonistic to.

 

ORIGINAL PLANT

PEST/DISEASE

COMPANION PLANT

ANTAGONISTIC PLANT OR TO PEST/-DISEASE

 

Pansy or Heart's ease
(Viola tricolor)

 

Rye influences 100% germination of Pansy.

Wheat

 

Parsley(Petroselinum crispum). Give it some shade to get best results.

Black swallowtail butterfly.

Aphid.

Tomato.

 

Grow Parsley with Asparagus,
Rose, and Tomato to deter aphids.


Celery,
Leek,
Dwarf Pea,
Carrot,
Chive.

Bees love its flowers.

Mint

 

Parsnip

 

Seaweed,
Onion,
Pea,
Potato,
Pepper,
Bean,
Radish,
Garlic

Carrot,
Celery,
Caraway

Pea
(Pisum sativum).

Do not grow in the same ground 2 years in succession.

 

2 rows of peas to 1 of potato benefits both vegetables.

Low-growing Carrots (on the sunny side of the rows),
Turnip and
Radish with peas help each other.


Cucumber,
Sweetcorn,
Bean,
Aubergine,
Lettuce,
Spinach,
Tomato,
Brassica,
Celery,
Swede

Gladiolus,
Onion,
Garlic,
Shallots


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Peach
(Prunus persica)

Peaches nearby help the Nectarine to set a larger crop.

Peach leaf curl.

 

 

 


 

Fruit-fly.

Garlic, or provide a shelter to keep the leaves dry.

Asparagus,
Grape,
Onion,
Southernwood,
Strawberry,
Sweetcorn,
Tansy - repels borers

Scent from clumps of Basil round tree deters fruit-fly.

 

 

Pear
(Pyrus communis)

 

Currant

Grass roots stop pear-tree roots from growing.

 

Pennyroyal (Menta pulegium)

 

 

Ant
Mosquito
Gnat

 

Pepper (Capsicum)

 

Basil,
Carrot,
Lovage,
Marjoram,
Onion,
Oregano

Fennel,
Kohlrabi

 

Peppermint (Mentha piperita)

 

Stinging nettle increases peppermint oil content,

Cabbage

Camomile

 

Petunia

 

Attracts moths

 

 

Phacelia

 

Bee

 

 

Phlox drummondii

Butterfly

Browalia
Lobelia

lobeliacardinalisflot1aLobelia cardinalis

Nicotiana

nicotianaflotxsanderae21885a1Nicotiana x sanderae

Zinnia

 

 

Piggyback (Tolmeia menziesii)

 

Hardy fern

 

 

Pine

 

Foxglove ( Digitalis ),

digitalismertonensiscflorvroger1aDigitalis mertonensis

Strawberry

Do not place a compost heap near pine trees.

Wheat.

 

Poppy (Papaveraceae)

papaverorientaleflot1aPapaver orientale

 

 

Barley,
Winter wheat,

chokes weeds.

 

Portulaca

Butterfly

 

 

 

Potato
(Solanum tuberosum)

Phytophthora infestans.

 

Colorado potato beetle.
Blister beetle. Nematode.

_____.

 


Amaranth,
Cherry (Prunus avium).
Flax ( Linum usitatissimum ),
Bush bean.
Horseradish (Ammoracia rusticana).


Marigold repels Eelworm.

Dead nettle,
Sweetcorn,
Cabbage,
Eggplant (Aubergine),
Foxglove,
Nasturtium,
Watermelon,
Esparsette,
Pea,
Lettuce,
Onion,
Petunia,
Radish,
Nettle

2 rows of Broad Beans to 1 of potatoes improves output.

Apple.

 

Potatoes grown next to :-
Apple,
Cherry,
Pumpkin,
Cucumber,
Sunflower,
Tomato,
Raspberry cane make them susceptible to blight.

Walnut,
Cherry,
Jerusalem artichoke,
Squash,
Orach,
Rosemary

 

Primrose (Primula parryi)

 

Candytuft
Pansy
Calendula
Viola

Birds peck primulas but are deterred when the primulas are planted near a lavender hedge.

 

Privet (Ligustrum)

 

Bee

 

 

Pumpkin(Cucurbita moschata)

 

Sweetcorn,
Datura stromarium,
Radish,
Bean,
Mint,
Nasturtium.

Potato

 

Puschkinia

 

Pulmonaria angustifolia,
Doronicum cordatum

 

 

Pyrethrum (Chrysanthemum cineriaefolium)

 

Pyrethrum planted near to Strawberry to keep pests away.

Plant by back-door to ward off flies.

Pest preventative

 

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