COMPANION PLANTING
AND NATURAL
INSECT CONTROL
IN THE VEGETABLE
GARDEN
With the EPA increasing public awareness
of preserving our environment in a clean and natural
state, people are looking for alternatives for
pesticide use. The insect controlling abilities of
marigolds are now widely used. A root exudate has been
used by scientists to repel and kill certain nematodes
which cause root knots that deform and stunt many
herbaceous and woody p Marigolds also serve to repel
slugs, and thus can effectively be planted in
abundance among susceptible vegetables.
Herbs with strong aromas such as rosemary, sage,
basil, garlic and chives confuse insects’ sensory
organs and drive them away The following is a list of
various plants and companions to assist you with your
organic gardening:
PLANT COMPANIONS
Asparagus
Tomatoes, parsley, basil.
Beans
Potatoes, carrots, corn, cauliflower, cabbage,
celery cucumbers, most other vegetables and
herbs.
Basil
Interplant with tomatoes to deter tomato
hornworm. Cabbage Family Potatoes, celery
dill, sage, chamomile, thyme, mint, Cauliflower
beets, rosemary,
lavender, onions. Aromatic
plants Broccoli deter cabbage worm.
Brussel Sprouts
Carrots
Peas,
lettuce, leeks, rosemary, sage,
tomatoes, chives and onions repel rust fly and
nematodes.
Catnip
Plant
in borders and near eggplant. Protects
against flea beetle.
Chamomile
Cabbage, onions.
Chives
Carrots; at base of fruit trees to discourage
insects from climbing. Interplant with roses to
repel aphids.
Corn
Potatoes, peas, beans squash, cucumbers,
pumpkin.
Cucumbers
Beans, corn, peas, radishes, sunflowers.
Dill
Cabbage (improves growth and health),
carrots.
Eggplant
Beans.
Garlic
Roses, raspberries (deters Japanese beetle
where present); with herbs to enhance their
production of essential oils. Plant liberally
throughout garden to deter pests.
Horseradish
Potatoes
(deters potato beetle); under plum
trees to discourage curculios.
Lettuce
Carrots, radishes, (lettuce, carrots and
radishes make a strong companion team);
strawberries, cucumbers.
Marigolds See above. Discourages many insects, slugs,
Interplant freely Mint Cabbage family,
tomatoes. Deters cabbage moth.
Nasturtium
Tomatoes,
radishes, cabbage, cucumbers.
Plant under fruit trees. Deters aphids and
pests of fruit frees.
Onion
Beets, strawberries, lettuce (protects against
slugs), beans (against ants), Summer savory
Parsley
Tomatoes, asparagus.
Peas
Grow
well with almost any vegetable, add
nitrogen to soil.
Petunia
Protects
beans; beneficial throughout.
Potato
Horseradish (as trap crop for beetle), beans,
corn, cabbage, limas, marigold, eggplant.
Pumpkin
Corn.
Radish
Peas, nasturtium, lettuce, cucumbers; general
aid in repelling insects.
Rosemary Carrots, beans, cabbage, sage. Deters
cabbage moth, bean beetle, carrot fly.
Sage
Rosemary, carrots, cabbage, peas, beans.
Spinach
Strawberries.
Squash Nasturtium, corn.
Strawberries
Bush beans, spinach, borage, lettuce.
Summer Savory Beans, onions Deters been beetle.
Thyme Parsley, asparagus, marigold, nasturtium,
carrots, limas.
Yarrow Plant along borders; enhances landscapes.
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