Companion Planting Chart: Tomatoes, Potatoes, and Extra!

BEANS  
Lovage
Nasturtium  
Rosemary   
Corn
Sunflowers  Corn helps climbing beans (not bush beans), offering a pure construction to assist beans attain daylight. corn is planted first, stopping early competitors. Supply: USDA, NIH.

Lovage attracts useful bugs equivalent to parasitoid wasps
which prey on aphids and beetles. Supply.

Nasturtiums proves an efficient lure crop that pulls pests away from French/bush beans. Supply.

Rosemary repels frequent backyard pests due to its compounds—camphor, cineole, and camphene.

Sunflowers present assist as a dwelling trellis. Supply: Three Sisters Guild, Eames-Sheavly, Cornell Cooperative Extension (1993)

BEETS
Bush beans  
Garlic  
Lettuce  
Onion household Bush beans are useful to beets, fixing nitrogen making it out there to soil; nevertheless, runner or pole beans stunt progress.

Garlic improves beet progress and taste. 

Lettuce grows nicely with beets, because of complementary root constructions, soil shading, and weed suppression

Onions and beets develop nicely collectively, decreasing pest stress, growing root yield, and benefiting soil well being and crop spacing.

BROCCOLI
Alyssum
Dill 
Chinese language Cabbage
Marigold
Nasturtium
Oregano
Sage
Thyme

Alyssum helps broccoli by attracting hoverflies, that are vital pure predators of aphids—the primary pest of broccoli.. Supply: USDA. 

Chinese language cabbage might be successfully used as a lure crop planted alongside broccoli to draw and divert cabbage root flies. Supply: NIH

Dill comprise repellent properties towards broccoli pests. Supply. It’s additionally a bodily barrier to guard broccoli from pest assault. Supply.

Sage reduces pest egg-laying of diamondback moths on intercropped broccoli. Supply. 

Thyme and nasturium cut back cabbage looper and imported cabbageworm injury in broccoli. Supply: Iowa State College

CABBAGE
Chamomile
Dill
Garlic
Nasturtium  
Onion
Rosemary
Sage
Tansy
Thyme

Chamomile deters pests when intercropped with cabbage. Supply.

Dill intercropped with cabbage attracts parasitic was to manage cabbage worms. Supply: Kenny & Chapman (1988). 

Garlic repels diamondback moths. Supply.

Thyme disrupts egg-laying of the diamondback moth. Supply.

Nasturtium, onion ,and thyme plots have resistance towards cabbage worm and cabbage looper. Supply.

Onions assist cabbage by reducing pest stress and boosting productiveness. Supply. 

Sage, dill, chamomile and hyssop disrupt the egg laying behaviour of the cabbageworm. Supply.

CARROTS
Chives  
Leeks  
Onions  
Peas
Radishes  
Rosemary  
Sage
Savory

Onions intercropped with carrot considerably lowered carrot fly assaults. Supply. Onions additionally enhance root yield. Supply.

Chive and leeks might also repel carrot fly via odor masking and interference. 

Marigolds cut back nematodes within the soil to forestall root knot points and crop stunting, however solely when grown and ploughed within the soil the 12 months earlier than. Supply.

Sage odor alters carrot fly conduct, probably serving to shield carrots by disrupting the flies’ host-finding. Supply.

Summer season Savory considerably reduces carrot psyllids, aphids, nematodes, and carrot fly. Supply.

CORN
Beans (pole)  
Cucumbers  
Dill    
Geranium
Peas  
Potatoes
Squash  
Sunflower Beans intercropped with corn improve yield and soil fertility, in accordance with a number of sources.

Pole beans climb and assist corn and squash, defend soil, deter pests, and suppress weeds (squash vine borers, mammals). Supply.

Geranium (Pelargonium) attracts Japanese beetles; geranium’s toxins paralyze them, decreasing beetle stress on corn silks. Supply. 

Potatoes utilizing subterranean area complement corn’s shallow roots; they stabilize soil and shade floor.

Dwarf sunflowers planted round corn attracted a military of pest-hungry ladybugs. (Kansas Academy of Science).

CUCUMBERS
Pole Beans  
Corn
Dill   
Nasturtiums  
Oregano  
Chili Pepper
Radish  
Sunflowers  
Tansy

Beans add nitrogen, aiding cucumber progress and decreasing pest incidence. Supply. Bean flowers entice pollinators. Each beans and cukes can share assist constructions.

Corn intercropped with cucumbers reduces cucumber insect pests by over 50% versus cucumbers grown alone. Supply.

Dill repels aphids and mites which will assault cucumbers. Supply.

Nasturtium is a lure plant that retains cucumber beetles, squash bugs, squash beetles, whiteflies and aphids away from cucumber. Supply.

Sizzling Pepper intercropped with cucumber lowered root knot nematode (Meloidogyne incognita) assault. Additionally, peppers creates resistance to cucumber mosaic virus. 

Radishes are a companion plant to repel cucumber beetles. A 2008 research revealed in HortTechnology.

Sunflowers create a pure trellis for the climbing cucumber vines, present shade, and entice pollinators.

Tansy (Tanacetum vulgare) repels cucumber beetles, ants, bugs, beetles, and flying bugs. Supply.

LETTUCE
Alyssum 
Chives
Garlic
Onion 
Oregano  
Peas  
Poached Egg
Radish
Thyme Alyssum intercropped with lettuce controls aphids. Supply: USDA.
Chives, garlic, and onions deter aphids and different pests by masking scent. Supply: Iowa State College.
Onions planted round lettuce led to fewer cutworms. Supply: CBTA.
Oregano brings in predators for pests, particularly floor beetles.
Peas profit lettuce, including nitrogen to the soil. Supply. 
Poached egg plant attracts hoverflies, whose larvae then eat aphids. Supply: Journal of Agricultural Science.
Radishes are a lure crop for lettuce, attracting pests away from lettuce and enhancing total crop productiveness. Supply.
Thyme deters cabbage worm, looper, and weevil. Supply. ONIONS
Beets  
Cabbage  
Carrot  
Chard  
Lettuce  
Strawberry  
Tomatoes

Beets intercropped with onions influences onion seed yield positively. Supply.

Marigolds cut back the egg laying of onion maggot fly. Supply: Scientia Agricola

PEAS
Alyssum  
Chives  
Corn
Lettuce  
Mint  
Radish  
Spinach

Alyssum brings pollinators to the pea flowers and encourages lacewings, which eat aphids. Supply.

Lettuce interplants nicely with peas and might improve effectivity with out hurting pea yield. Supply: Journal of Agricultural Sciences

PEPPERS
Basil  
Chives
Cilantro
Dill
Leeks 
Onions  
Oregano
Rosemary

Basil improves the expansion and taste of peppers and has a protecting, insecticidal high quality. Identical goes for oregano.

Dill intercropping helps useful predators that assist cut back corn borer injury on peppers. Supply.

Leeks and chives may also help peppers by repelling aphids. Supply.

Onions emit robust odors that may repel varied pepper pests, together with aphids, thrips, and whiteflies.

Rosemary advantages peppers by decreasing aphids, if planted close by (round 0.5 meters) . Supply.

POTATOES
Basil  
Beans  
Calendula    
Cilantro  
Dill
Garlic
Horseradish  
Onion 
Peas  
Tansy

Basil discourages Colorado potato beetles and likewise attracts useful bugs. Supply.

Beans (bush) intercropped with potatoes enhance each yield and soil well being. Supply.

Calendula, tansy, and horseradish planted on the nook of a potato patch keep at bay Colorado potato beetles. Supply: ACS

Cilantro planted close to potatoes reduces populations of the Colorado potato beetle, aphids, carrot rust fly and spider mite. Supply.

Dill does an important job of luring enemies of the Colorado potato beetle. Supply: Rutgers College. 

Garlic planted with potatoes (3:1 ratio) led to the perfect illness suppression (late blight) and yield achieve. Supply.

Onions lowered aphids and pest populations. Supply.

PUMPKINS and WINTER SQUASH   Beans 
Borage  
Calendula  
Corn  
Lovage
Marigold  
Nasturtium  
Oregano
Radish
Tansy

Pole beans produce nitrogen for the squash and pumpkin, and squash is historically planted with corn and beans (“three sisters”) to disorient the grownup vine borer. Supply.

Borage flowers deliver predators which eat the squash pests, plus pollinators! Supply: Permaculture Analysis Institute

Marigold deter beetles, particularly the striped cucumber beetle and squash bug. Supply.

Nasturtium, radish, and tansy repel cucumber beetles. Supply.

RADISHES
Bok Choi
Chervil  
Collards
Lettuce
Nasturtium  
Peas
Spinach

Bok choi (pac choi) intercropped with radish boosted harvest. Supply: NIH.

Collards complement radishes. In the identical plot, they improve use of area with none destructive results on progress.

Head lettuce is an efficient companion to radish however keep away from overcrowding.

Peas are nicely documented as an early nitrogen-fixer, bettering fertility and radish progress. Supply.

Spinach intercropped with radish considerably elevated progress and yield. Supply. 
 

SPINACH
Beans  
Celery
Cilantro  
Coreopsis
Peas  
Radish

Peas and pole beans present pure shade for the spinach, and likewise enhance soil fertility to enhance nutrient availability. Supply.

Radishes planted alongside spinach can optimize area, cut back pests, and enhance total yield. Supply.

Coreopsis is a beautiful flower that may entice useful bugs, like bees, butterflies, and different pollinators, together with hoverflies, soldier beetles, and tachinid flies. Add to any mattress!

TOMATOES
Asparagus
Basil  
Beans
Borage  
Calendula 
Celery 
Marigold
Parsley  
Radish
Rosemary
Thyme

Asparagus and tomatoes assist one another by repelling one another’s pests—tomatoes launch solanine to discourage asparagus beetles, whereas asparagus secretes compounds that repel root-knot nematodes. (Supply: Rutgers)

Basil merely makes tomatoes more healthy, releasing volatiles that prime the tomato’s protection system, enhancing its response to wounding and pest assault. Supply: NIH.

Bush Beans interplanted with tomatoes lower illness. Supply: Jessica Walliser Plant Companions.

Borage attracts the parasitic wasp that assaults aphids and tomato hornworms. Supply. Borage additionally attracts pollinators, and enhances tomato progress, style, and illness resistance when intercropped. Supply.

Calendula is a flower companion which repels tomato pests.

Marigolds repel whiteflies when planted with tomatoes. Supply. 

Radish works as a lure crop for flea beetles, a pest of younger tomato seedlings.

Rosemary oils repel aphids, thrips, and whiteflies—all frequent tomato pests .

Thyme helps cut back insect injury to tomatoes. Scientists at Iowa State noticed a discount in egg-laying by grownup armyworms when tomatoes had been interplanted with the herb.

Thyme improves tomato root growth, flowers, and fruit in research when by itself. Supply.

ZUCCHINI/ SUMMER SQUASH Buckwheat  
Marigold
Nasturtium 
Oregano 
Radishes 
Zinnia Buckwheat alternating with squash strips reduces aphids, plant illness, and will increase useful poplations.  Supply: College of Florida.  

Marigold intercropped with zucchini demonstrated the perfect resistance to cucumber beetle. Supply: RES

Oregano offers pest safety as a pure insecticide. Supply.

Nasturtium repels cucumber beetles. Supply.

Radishes planted alongside zucchini reduces squash bug egg laying. College of Nebraska.

Zinnia entice predators that eat whiteflies and likewise entice pollinators. Permaculture Institute.