Companion Planting - Brigham Young University


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Companion Planting - Brigham Young University

  1. 1. COMPANION PLANTING Vegetables Vegetables Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts fruit trees, nightshades (tomatoes, slugs, peppers, aphids, potatoes, etc), beans, peas,Alliums Allium carrots carrot fly, Alliums include onions, garlic, leeks, shallots, chives, and others brassicas parsley cabbage (cabbage, [1] worms broccoli, kohlrabi, etc) carrots Aster Family flowers, Dill, Coriander, Asparagus Onion, Garlic,Asparagus Tomatoes Tomatoes, Marigolds will deter beetles. officinalis Potatoes Parsley, Basil, Comfrey, Marigolds geraniums, dill, alliums (onions, mustards, shallots, garlic, nightshades Brassicas are a family of species which include broccoli,Brassicas Brassica etc), rosemary, (tomatoes, cabbage, brussels sprouts, kohlrabi, and cauliflower. nasturtium, peppers, etc) borage Corn (see Three Sisters), Tomatoes, chili Spinach, peppers, lettuce, sunflowers, rosemary, Eggplant, California alliums Hosts nitrogen-fixing bacteria, a good fertilizer for some plants, tooBeans, Phaseolus summer savory, Summer savory beetles (onions, garlic, much for others dill, carrots, etc), kales brassicas, beets, (cabbage, radish, broccoli, etc) strawberry and cucumbers
  2. 2. Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts lettuce, Good for adding minerals to the soil through composting leaves kohlrabi, Catnip, Garlic, Runner or poleBeets, Beta Vulgaris which have up to 25% magnesium. Runner or pole beans and beets onions and Mint beans stunt each others growth. brassicas geraniums, dill, alliums, mustards, Rosemary repels cabbage fly, geraniums trap cabbage worms, same BrassicaBroccoli rosemary, Tomatoes, general companion profile as all brassica (cabbage, kohlrabi, oleracea nasturtium, peppers brussels sprouts, cauliflower, etc) borage mustards, Tomatoes, Rosemary repels cabbage flies, geraniums trap cabbage worms, Brassica geraniums, dill, peppersCabbage same general companion profile as all brassica (cabbage, kohlrabi, oleracea alliums, rosemary strawberries, brussels sprouts, cauliflower, etc) and pole/runner beans assassin Tomatoes grow better with carrots, but may stunt the carrots bug, growth. Beans (which are bad for tomatoes) provide the nitrogen lacewing, carrots need more than some other vegetables. Aromatic companion alliums (leeks, parasitic plants repel carrot fly. Sage, rosemary, and radishes are Tomatoes, shallots, etc), wasp, Dill, parsnip, recommended by some as companion plants, but listed by others as Alliums rosemary,Carrots Daucus carota yellow radish incompatible. Alliums inter-planted with carrots confuse onion and (onions, chives, wormwood, sage, jacket and carrot flies. For the beneficial insect-attracting properties of carrots etc), lettuce beans, flax other to work, they need to be allowed to flower; Otherwise, use the wild predatory carrot, Queen Annes Lace, for the same effect. Flax produces an oil wasps that may protect root vegetables like carrots from some pests.Corn / Sunflowers, Provides beans with a trellis, is protected from predators andMaize Zea mays beans legumes (beans, Tomato, Celery dryness by cucurbits, in the three sisters technique peas, soybeans
  3. 3. Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts etc), peanuts, cucurbits (squash, cucumbers, melons, etc), amaranth, white geranium, lambs quarters, morning glory, parsley, and potato Nasturtiums, radishes, Beneficial Cucumis marigolds,Cucumber for ground Tomato, Sage Sativus sunflowers peas, beetles beets, carrots, and DillEggplant or Solanum Marigolds, Beans, Peppers Marigolds will deter nematodes.Aubergine melongena tarragon, mints cabbage Allium worms, Legumes Celery, apple Same companion traits as all alliums (onions, garlic, shallots, chives,Leek ampeloprasum Carrots aphids, (beans, peas, trees etc) v. porrum carrot fly, etc) others celery, Radish, Kohlrabi, Mints (including hyssop, sage, and various "balms") repel slugs, aLettuce Lactuca sativa cabbage, cress, beans, carrots bane of lettuce and cabbages parsley Cabbage, Brassicaceae, cauliflower, various Same general companion profile as all brassica (cabbage, kohlrabi,Mustard Sinapis alba radish, brussels pests brussels sprouts, cauliflower, etc) sprouts, turnips beans, black carrots, alliums, walnuts, corn, mints (basil, Nightshade plants include tomatoes, tobacco, chili peppersNightshades Solanaceae fennel, dill, oregano, etc) (including bell peppers), potatoes, eggplant, and others brassica
  4. 4. Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts (broccoli, cabbage, cauliflower, etc) Pepper plants like high humidity, which can be helped along by beans, kale tomatoes, planting with some kind of dense-leaf or ground-cover companion, Solanaceae, themselves, (cabbage,Peppers geraniums, like marjoram and basil; they also need direct sunlight, but their fruit Capsicum marjoram brussels petunias can be harmed by it...pepper plants grown together, or with tomatoes, sprouts, etc) can shelter the fruit from sunlight, and raises the humidity level. Tomatoes, aphids, beans, peas, Same companion traits as all other alliums (chives, garlic, shallots,Onion Allium cepa Kales (broccoli, Carrots carrot fly, parsley leeks, etc) cabbage, etc) other pests Sunflower, SolanumPotato Horseradish Tomato, Horseradish increases the disease resistance of potatoes tuberosum Cucumber The flowers of the parsnip plant left to seed will attract a variety of predatory insects to the garden, they are particularly helpful when left under fruit trees, the predators attacking codling moth and light a variety of Pastinaca brown apple moth. The root also contains Myristricin, which is toxicParsnip fruit trees predatory Sativa to fuit flies, house flies, red spider mite, pea aphids, an simple insects blender made extraction of three blended parsnips roots to one litre of water through a food processor (not one for preparing food) and left overnight, strained and use within a few days. Buckwheat, Spiders,Pumpkin Flea Beetles are warded off by radishes, Curcurbita can be used in Curcurbita spp corn, beans catnip, tansy, GroundSquash the three sisters technique radishes Beetles SpinaciaSpinach Peas, Beans The peas and beans provide natural shade for the spinach oleracea basil, oregano, Black walnut, parsley, carrots, corn, fennel, Black walnuts inhibit tomato growth, in fact they are allelopathic to Solanum roses, peppers, asparagusTomatoes marigold, peas, dill, all other nightshade plants (chili pepper, potato, tobacco, petunia) as lycopersicum asparagus beetle Alliums, celery, potatoes, well, because it produces a chemical called juglone. Dill attracts
  5. 5. Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts Geraniums, beetroot, tomato horn worm. Petunias, brassicas Nasturtium, (kohlrabi, Borage, any type cabbage, etc), of onion or chives rosemary
  6. 6. Common scientific Repels / Helps Helped by Attracts Avoid Comments name name Distracts