Companion planting
Turnip Companion Plants
Beneficial and avoid companions for Turnip, aggregated from open plant-variety notes (pest deterrence, soil sharing, and flavour).
Adapted from Wind River Greens Plant Variety Database (CC BY 4.0) — 133 varieties in root-vegetable, brassica. Credits
Plant together
Companions often recommended near Turnip.
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Lettuce (128)
Grows well in broccoli's shade, efficient space usage Makes efficient use of space as ground cover, doesn't compete for nutrients
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Marigolds (104)
Repels nematodes and other soil-dwelling pests harmful to roots Deters root maggots and other soil-dwelling pests that damage radish roots
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Nasturtiums (93)
Acts as trap crop for flea beetles and aphids, protecting radishes Act as trap crop for aphids and flea beetles, drawing pests away from raab
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Onions (88)
Repel root maggots and other soil-borne pests that commonly attack rutabagas Deters cabbage moths, aphids, and cabbage loopers with sulfur compounds
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Carrots (84)
Radishes break up soil for carrots and mature faster, allowing succession planting Daikon's deep taproot breaks up soil for shallow carrot roots, while carrots don't compete for space
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Spinach (82)
Compatible root systems, similar growing conditions Cool-season companion that can be interplanted and harvested before daikon matures
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Dill (80)
Attracts beneficial insects like parasitic wasps that control cabbage worms Attracts beneficial wasps that parasitize cabbage worms and aphids
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Garlic (59)
Repels cabbage worms and aphids, improves soil health around kale Natural fungicide properties help prevent clubroot and other soil diseases
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Chives (55)
Repel aphids and may improve flavor while taking up minimal space Natural pest deterrent, repels aphids and improves soil health
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Radishes (43)
Break up compacted soil and harvest early, making room for mini turnips to expand Fast-growing trap crop for flea beetles, also helps break up compacted soil
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Celery (35)
Repels cabbage white butterflies and provides pest deterrent aromatics Repels cabbage moths and white butterflies that lay eggs on brassicas
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Peas (26)
Nitrogen fixation benefits radish growth, and peas provide light shade Fix nitrogen in soil, providing nutrients for heavy-feeding rutabagas
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Thyme (21)
Deters cabbage worms and flea beetles while attracting beneficial pollinators Repels cabbage worms and flea beetles while attracting beneficial insects
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Rosemary (19)
Repels cabbage moths and other brassica pests Strong aromatic oils confuse and repel carrot flies and other pests
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Tomatoes (17)
Help deter carrot flies while carrots may improve tomato flavor Provides partial shade and may improve carrot flavor when planted nearby
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Sage (15)
Repels carrot flies and cabbage moths with aromatic compounds Repels carrot flies and root flies while attracting beneficial insects
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Nasturtium (14)
Acts as trap crop for aphids and flea beetles, protects brassicas from pest damage Acts as trap crop for flea beetles and aphids, drawing pests away from brassicas
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Leeks (13)
Repels carrot flies and root maggots through strong scent compounds Deters carrot rust flies while carrots repel leek moths
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Marigold (13)
Deters cabbage worms, aphids, and other brassica pests with strong scent Deters whiteflies and nematodes while attracting beneficial predatory insects
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Bush Beans (12)
Nitrogen fixation improves soil fertility without competing for space Fix nitrogen in soil, improve potato yield without competing for space
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Chamomile (12)
Improves flavor of brassicas and attracts beneficial insects Improves soil health and may enhance flavor of brassicas
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Cucumber (11)
Radishes may help deter cucumber beetles and striped cucumber beetles Radishes repel cucumber beetles while cucumbers provide ground shade for radish roots
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Cabbage (10)
Benefits from loose soil created by potato growth, different root depths Beets help loosen soil for shallow-rooted brassicas, mutual pest deterrence
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Parsley (8)
Attracts beneficial insects and doesn't compete for root space Attracts beneficial insects while requiring minimal ground space
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Basil (4)
Repels aphids and whiteflies, may improve flavor Repels thrips, aphids, and flies while attracting pollinators
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Corn (4)
Provides natural windbreak and shade, different nutrient requirements Provides natural support structure for climbing varieties and benefits from nitrogen fixation
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Mint (4)
Deters flea beetles and ants that can damage brassica seedlings Repels ants, aphids, and cabbage moths with strong aromatic oils
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Onion (4)
Repels cabbage maggots, flea beetles, and aphids with strong sulfur compounds Repels cabbage maggots, aphids, and flea beetles with sulfur compounds
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Horseradish (3)
Planted at corners of potato patch, repels Colorado potato beetles Repels Colorado potato beetles and improves disease resistance
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Swiss Chard (3)
Same family with similar growing requirements, can share garden space efficiently Same family as beets, compatible growth habits and nutrient needs
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Beans (2)
Fix nitrogen in soil and improve potato growth without competing for space Fix nitrogen in soil, improving potato growth and yield
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Catnip (2)
Repels flea beetles and ants that can damage brassica crops Repels flea beetles and aphids that commonly attack brassicas
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Cilantro (2)
Attracts beneficial insects and provides pest control without competing for root space Attracts beneficial insects and repels harmful pests
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Beets (1)
Different root depth prevents competition, may improve soil structure
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Brassicas (1)
Onions repel cabbage worms, flea beetles, and other brassica pests
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Broccoli (1)
Lavender deters cabbage worms and aphids that commonly attack brassicas
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Cauliflower (1)
Lavender's strong scent masks brassica odors and repels cabbage white butterflies
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Comfrey (1)
Dynamic accumulator that adds nutrients to soil and mulches well around citrus
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Cucumbers (1)
Radishes repel cucumber beetles and squash bugs
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Lavender (1)
Repels moths and other flying pests, attracts beneficial pollinators
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Oregano (1)
Repels many harmful insects and doesn't compete with sweet potato's spreading growth habit
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Peppers (1)
Onions deter aphids and other soft-bodied insects that attack pepper plants
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Radish (1)
Helps break up soil for turnip root development and deters flea beetles
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Strawberries (1)
Onions repel slugs and other pests while improving strawberry flavor
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Summer Squash (1)
Large leaves provide ground cover and weed suppression, part of Three Sisters planting
Keep apart
Combinations often avoided near Turnip.
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Tomatoes (78)
Compete for similar nutrients and may stunt brassica growth through allelopathy Heavy feeder that competes for nutrients and may stunt kale growth
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Strawberries (69)
Competes for similar nutrients and attracts slugs that also damage kale leaves Inhibit brassica growth and compete for soil nutrients and space
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Pole Beans (64)
Can shade kale excessively and compete for nitrogen despite nitrogen-fixing ability Can shade out the spring raab and compete for nitrogen during critical growth period
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Fennel (27)
Inhibits growth of brassicas through allelopathic compounds Allelopathic properties inhibit growth of most root vegetables
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Mustard (16)
Same family plant that attracts similar pests and diseases, increases pest pressure Same family, attracts similar pests and diseases
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Dill (15)
Attracts beneficial insects when young but can stunt carrot growth when mature Attracts carrot flies when mature and can cross-pollinate with carrots
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Hyssop (15)
Inhibits growth of radishes and other brassicas through allelopathic compounds Inhibits growth of radishes and other root vegetables through allelopathic compounds
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Parsnips (14)
Compete for same soil nutrients and space, attract similar pests Competes for same nutrients and attracts similar pests like carrot weevils
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Sunflowers (14)
Allelopathic compounds inhibit growth of brassicas including rutabagas Allelopathic compounds inhibit growth of nearby vegetables, especially root crops
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Brassicas (13)
Same family as daikon, compete for nutrients and attract similar pests like flea beetles Same family plants compete for nutrients and attract similar pests like flea beetles and clubroot
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Turnips (9)
Competes for same soil nutrients and space, both being root brassicas Same family crop that depletes identical soil nutrients and shares common diseases like clubroot
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Black Walnut (8)
Produces juglone toxin that severely inhibits growth of most vegetables Produces juglone toxin that stunts growth and can kill radish plants
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Coriander (8)
May inhibit carrot germination and early growth through allelopathic effects Can attract carrot flies and may inhibit carrot seed germination
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Tomato (6)
Competes for nutrients and may stunt broccoli growth Competes for similar nutrients and may stunt brassica growth through allelopathy
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Grape vines (4)
Radishes can stunt grape growth and affect root development Stunts radish growth and development through root competition and chemical inhibition
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Strawberry (4)
Both are heavy feeders competing for same nutrients Both plants are heavy feeders that compete for soil nutrients, reducing yields
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Broccoli (3)
Competes for same nutrients and attracts identical pests like cabbage worms and flea beetles Competes for same nutrients and attracts similar pests like flea beetles
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Field Mustard (3)
Competes aggressively for nutrients and releases growth-inhibiting compounds Inhibits beet germination and early growth through allelopathic compounds
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Sunflower (3)
Allelopathic effects inhibit potato growth and development Allelopathic effects inhibit potato growth and competes heavily for nutrients
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Asparagus (2)
Competes for similar soil nutrients and both are heavy feeders Both compete for similar soil nutrients and can inhibit each other's growth
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Beans (2)
Nitrogen fixation can cause excessive leaf growth at expense of bulb development Onions can inhibit bean growth and nitrogen fixation by rhizobia bacteria
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Black Walnut Trees (2)
Produce juglone toxin that severely stunts or kills members of the brassica family Produce juglone toxin that severely stunts root vegetable growth
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Brassica crops (2)
Same family plants compete for nutrients and attract similar pests like cabbage root maggots Share same pests like flea beetles and clubroot disease, increasing infestation risk
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Cucumber (2)
Increases susceptibility to blight and competes for similar soil nutrients Increases susceptibility to bacterial wilt and competes for soil nutrients
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Grapes (2)
Root competition and radishes may negatively affect grape vine growth Radishes can stunt grape vine growth and interfere with root development
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Peas (2)
Heavy nitrogen production leads to weak, overly leafy leek growth Onions stunt pea growth and interfere with their nitrogen-fixing capabilities
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Walnut Trees (2)
Produce juglone which is toxic to citrus trees and inhibits their growth Produce juglone which is toxic to sweet potatoes and inhibits root development
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Brussels Sprouts (1)
Both are brassicas competing for same nutrients and susceptible to similar pests and diseases
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Cabbage (1)
Fellow brassica that competes for nutrients and attracts cabbage root maggots
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Camellias (1)
Prefer acidic soil while lavender needs alkaline conditions, incompatible pH requirements
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Charlock (1)
Competes aggressively for nutrients and can stunt beet root development
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Corn (1)
Creates too much shade and competes heavily for nutrients, stunting chard growth
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Cucumbers (1)
Compete for water and nutrients, may increase disease susceptibility
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Eucalyptus (1)
Allelopathic compounds suppress citrus growth and compete aggressively for water
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Garlic (1)
Stunts bean growth and interferes with beneficial root bacteria
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Hedge Mustard (1)
Hosts clubroot disease that can devastate turnip crops
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Impatiens (1)
Requires consistently moist soil which can cause root rot in drought-tolerant lavender
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Mint (1)
Aggressive spreader that competes for space and resources, different water requirements
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Mustard Greens (1)
Same family plants attract similar pests and diseases, increasing infestation risk
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Onions (1)
Inhibit growth and nitrogen fixation in bean roots through chemical compounds
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Pole Bean (1)
Can shade cabbage excessively and compete for nitrogen in soil
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Rue (1)
Allelopathic compounds inhibit brassica growth and development
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Walnut Tree (1)
Produces juglone which is toxic to potatoes and inhibits their growth
FAQ: companion planting with Turnip
What are good companion plants for Turnip?
Frequently cited companions include Lettuce, Marigolds, Nasturtiums, Onions, Carrots, Spinach, Dill, Garlic, Chives, Radishes, Celery, Peas. Reasons come from open cultivar notes (pest deterrence, soil, flavour).
What should I avoid planting near Turnip?
Often avoided: Tomatoes, Strawberries, Pole Beans, Fennel, Mustard, Dill, Hyssop, Parsnips, Sunflowers, Brassicas.
Companion effects vary by climate, soil and variety. Confirm with local extension. Data adapted from Wind River Greens Plant Variety Database (CC BY 4.0).