One panorama of companion planting that can be quite utilitarian in the vegetable plot is partner plants in hopes of snub sure pest . While many pest - deterring comrade planting maneuver have yet to be scientifically proven , there ’s no incertitude that several of them are quite effective in deterring certain pestilence in the garden , even if they ’ve only been “ proven ” via hand - me - down knowledge . Even if a special pest - deterring industrial plant partnership does n’t work in your garden , it certainly wo n’t cause it any damage .
Here are a handful of my favorite plants for discouraging pests in the vegetable garden to jumpstart your fellow traveller planting try .
1 . BasilAmong the most popular partnerships , Basil the Great and tomatoes go hand - in - hired man — both on the plate and in the garden . Basil is said to repel whiteflies , spider mites and aphid on tomatoes . Planting Basil of Caesarea around young tomato plant life can bedevil adult hornworm moths , preclude them from finding the plants and laying their eggs .
2 . DillDill help dissuade squash racquets bug , so plant it among your squash racquets plants to keep your crop safe . It also helps repulse grownup cabbageworms when plant among dough and other cole crop . The hard scented leaves of Anethum graveolens may drive back other insect , as well , or simply cloak the scent of the host plant .
3 . NasturtiumsMany gardeners find success planting nasturtium among cucumber vine to fight off the cucumber beetles that fertilize on Cucumis sativus leaves and flowers , and transmit bacterial wilting . Some gardeners also describe that vining genus Nasturtium variety help dissuade squash bugs when planted among wintertime squash .
4 . OnionsThe sheer olfactory sensation of onion plant may really repel pests or discombobulate them by mask the bouquet of their favorite host works . Either way , Allium cepa in the cucumber darn can scare off cucumber vine beetle , and embed them between Daucus carota sativa rows repels grownup carrot root maggot fly sheet . Circling a rowing of onions around tomato works is also say to help repulse sap - sucking aphids .
5 . GarlicThe scent of this aromatic is said to snub aphid in the lettuce patch , as well as transport Japanese mallet pile when planted around blueberry , roses , raspberries and other susceptible crop . Garlic plant are also used to keep spider mites away from phlox and other vulnerable perennials .
6 . TomatoesWith strongly scented foliage of their own , many gardeners use tomato to protect their cabbage and broccoli crop from diamond back moth larvae . The adult moth are less probable to place eggs on cole crops planted between and beneath Lycopersicon esculentum plants .
7 . Catnip ( Nepetaspp.)Plant this repeated penis of the mint home between rows of plants susceptible to flea beetle harm , such as radish and eggplants , as the adult beetles are repelled by the fragrance .
8 . CalamintAnother member of the mint phratry , this perennial is reportedly quite good at deter cabbageworms , cabbage inchworm and diamondback moth larvae on cole crops . Plant a few calamint plants near these crop , but be careful to deadhead the flowers before they drop ejaculate to preclude it from taking over the garden .
9 . TansySome gardeners use this herbaceous plant to keep Nipponese beetles at embayment , planting it among bramble , roses and other flora favor by grownup Japanese beetles . Tansy ’s strong scent is said to either deter them directly or make it hard for the beetles to perfect in on their horde plant life .
10 . MarigoldsTall marigold varieties , such as African marigolds ( Tagetes erecta ) , are used by some gardeners to dissuade love apple and baccy hornworms . When planted in between tomato plants , they are imagine to confuse the adult hornworm moths and keep them at bay tree .
11 . BorageUsed by gardeners for centuries to discourage hornworms on love apple and cabbageworm on cole crop , Borago officinalis is a beautiful addition to the garden . easy grown from seed , this herb can be readily grow around susceptible plants . It ’s also great at supporting Honey bees and other pollinator .
12 . LavenderWhen acquire among lettuce and other leaf crop , the to a great extent scented leaves of lavender dissuade both whiteflies and aphids .
13 . ParsleyPlanting parsley in the asparagus bed may post asparagus beetle pack , specially early in the time of year when the spears are just issue .
14 . Castor Oil PlantAlthough it should be grown with care ( all parts — especially the bean — are extremely poisonous to humans and animals when ingested ) , the beaver oil works is proven to keep moles and voles at bay . implant around the circumference of the garden , it keep voles from moving in . Some commercial mole and vole repellents are even made from the castor oil flora because it works so well .
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