A Vegetable Companion Planting Guide

Strawberries peaking through the winter mulch 2020-4-6 Strawberries peeking through the winter mulch

Spring has sprung (at least today).

Sprouts are coming up both in my kitchen and in my garden.

So now it’s time to talk about companions.

Whether we like it or not, we all have some people that really build us up and make us feel good when we are with them and others that have something of the opposite effect.

Plants are no different.

Some plants work together very well while others actually inhibit each other.

While this list is by no means comprehensive, it can help you get off on the right foot with your vegetables.

Watch for the flowers/trees companions list in a few days.

Asparagus

Plant near: basil, parsley, tomatoes

Comments: tomatoes repel asparagus beetles and asparagus deters tomato nematodes.

Basil

Plant near: most garden crops
Keep away from: rue
Comments: improves the flavor and growth of garden crops, especially tomatoes and lettuce. Repels mosquitoes.

Beans, Bush

Plant near: beets, cabbage, carrots, catnip, cauliflower, corn, cucumbers, marigolds, potatoes, savory, strawberries
Keep away from: chives, fennel, garlic, gladiolus, leeks, onions, shallots
Comments: potatoes and marigolds repel Mexican bean beetles. Catnip repels flea beetles.

Beans, Pole

Plant near: corn, marigolds, potatoes, radishes
Keep away from: beets, garlic, kohlrabi, leeks, onions, shallots
Comments: same as for bush beans.

Beets

Plant near: broccoli, Brussels sprouts, bush beans, cabbage, cauliflower, chard, kohlrabi, onions
Keep away from: all mustard family, pole beans

Borage

Plant near: squash, strawberries, tomatoes
Comments: repels tomato worms. Improves flavor and growth of companions.

Broccoli

Plant near: beets, buckwheat, calendula, carrots, chamomile, dill, hyssop, marigolds, mints, nasturtiums, onions, rosemary, sage, thyme, wormwood.
Keep away from: strawberries
Comments: marigolds repel cabbage moths, nasturtiums repel aphids, both aphids and moths are common cabbage family pests

Brussels Sprouts

Same as Broccoli

Cabbage

Plant near: broccoli, brussels sprouts, celery, chard, spinach, tomatoes.
Keep away from: strawberries
Comments: tomatoes and celery repel cabbage worms.

Cauliflower

Same as cabbage

Cantaloupe

Plant near: corn

Carrots

Plant near: cabbage, chives, early potatoes, leeks, lettuce, onions, peas, radishes, rosemary, sage, salsify, wormwood.
Comments: black salsify, leeks, onions, rosemary, sage, and wormwood repel carrot flies

Celeriac

Plant leeks and/or scarlet runner beans in alternating rows & hairy vetch as a winter cover crop between seasons

Chives

Plant near: apples, berries, carrots, grapes, peas, roses, tomatoes.
Comments: Improves flavor and growth of companions. Deters aphids and Japanese beetles.

Corn

Plant near: beans, cucumbers, early potatoes, melons, peas, pumpkins, soybeans, squash.
Comments: soybeans deter cinch bugs.

Cucumbers

Plant near: beans, cabbage, corn, early potatoes, radishes, sunflowers.
Keep away from: late potatoes
Comments: Radishes deter cucumber beetles. Cucumbers encourage blight in late potatoes.

Dill

Plant near: broccoli, Brussels sprouts, cabbage, cauliflower, cucumber, lettuce, onions
Keep away from: carrots
Comments: Improves flavor and growth of cabbage family plants.

Eggplant

Plant near: green beans, peppers, potatoes, tomatoes
Comments: green beans deter Colorado potato beetles.

Garlic

Plant near: cabbage, cane fruits, fruit trees, roses, tomatoes
Keep away from: peas, beans
Comments: deters Japanese beetles and aphids. A garlic oil spray deters onion flies, aphids, and ermine moths. A garlic tea helps repel late potato blight.

Kale

Plant near: aromatic herbs, buckwheat, cabbage family, marigolds, nasturtiums
Keep away from: pole beans, strawberries

Kohlrabi

Plant near: cabbage/cauliflower companions (except tomatoes)
Keep away from: fennel, pole beans, tomatoes
Comments: kohlrabi stunts tomatoes

Lettuce

Plant near: beets, carrotsparsnips, radishes, strawberries
Keep away from: cabbage family
Comments: lettuce tenderizes summer radishes.

Marigolds

Plant near: all garden crops
Comments: stimulates vegetable growth and deters bean beetles, aphids, potato bugs, squash bugs, nematodes, and maggots.

Marjoram

Plant near: all garden crops
Comments: stimulates vegetable growth.

Mustard

Plant near: alfalfa cover crops, fruit trees, grapes, legumes
Comments: stimulates growth of companion plants. Keep away from beets, chard, and turnips

Nasturtiums

Plant near: apples, beans, cabbage family, greenhouse crops, potatoes, pumpkins, radishes, squash
Comments: repels aphids, potato bugs, squash bugs, striped pumpkin beetles, and Mexican bean beetles and destroys white flies in greenhouses.

Onions

Plant near: beets, cabbage family, carrots, chamomile, lettuce, parsnips
Keep away from: beans, peas
Comments: deters most pests, especially maggots.

Oregano

Plant near: all garden crops
Comments: deters many insect pests.

Parsley

Plant near: corn, roses, tomatoes

Parsnips

Plant near: onions, radishes, wormwood
Comments: onions and wormwood help keep root maggots from parsnips.

Peas

Plant near: beans, carrots, corn, cucumbers, early potatoes, radishes, turnips
Keep away from: garlic leeks, onions, shallots

Peppers

Plant near: basil, carrots, eggplant, onions, parsley, tomatoes
Keep away from: fennel, kohlrabi

Potatoes

Plant near: basil, beans, cabbage family, corn, eggplant, flax, hemp, marigolds, peas, squash
Keep away from: apples, birch, cherries, cucumbers, pumpkins, raspberries, sunflowers, tomatoes, walnuts
Comments: hemp deters 
potato blight. Basil deters potato beetles. Marigolds (dug into soil before planting) deter nematodes.

Radishes

Plant near: chervil, cucumbers, lettuce, melons, peas, nasturtiums, root crops
Keep away from: hyssop
Comments: radishes deter cucumber beetles. Chervil makes radishes hot. Lettuce helps make radishes tender. Nasturtiums improve radish flavor.

Rosemary

Plant near: beans, cabbage, carrots
Comments: repels bean beetles, cabbage moths, and carrot flies.

Sage

Plant near: cabbage family, carrots, tomatoes
Keep away from: cucumbers
Comments: deters cabbage moths and carrot flies. Invigorates tomato plants.

Soybeans

Plant near: corn, potatoes
Comments: chokes weeds and enriches soil.

Spinach

Plant near: celery, cauliflower, eggplant, strawberries

Strawberries

Plant near: borage, bush beans, lettuce, pyrethrum, spinach
Keep away from: cabbage family

Sunflowers

Plant near: cucumbers
Keep away from: potatoes
Comments: can provide a trellis and shelter for shade-loving cucumbers.

Swiss Chard

Plant near: bush beans, kohlrabi, onions
Keep away from: pole beans

Tarragon

Plant near: all garden crops
Comments: improves vegetables’ flavor and growth.

Thyme

Plant near: all garden crops
Comments: deters cabbage moths.

Tomatoes

Plant near: asparagus, basil, cabbage family, carrots, gooseberries, mustard, parsley, onions, rosemary, sage, stinging nettles
Keep away from: fennel, kohlrabi, potatoes, walnuts

Turnips and Rutabagas

Plant near: peas
Keep away from: knot weed, mustard
Comments: mustard and knot weed inhibit the growth of turnips and rutabagas.

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