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Flowers Companion Planting Chart

Complete companion planting guide for flowers. Learn which flowers grow well together, what to avoid planting nearby, and tips for a thriving garden.

15Flowers

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Showing 15 flowers

🏵️

Marigold

Tagetes

✅ Good Companions

🍅 Tomato 🌶️ Pepper 🥔 Potato 🎃 Squash 🥒 Cucumber +3

Repels nematodes, whiteflies, and many pests. French marigolds are best.

❌ Avoid Planting With

🥬 Cabbage 🫘 Bean

Some varieties inhibit bean growth.

Zones: 2-9

Full Guide →

🌺

Nasturtium

Tropaeolum

✅ Good Companions

🍅 Tomato 🥒 Cucumber 🥬 Cabbage 🎃 Squash 🔴 Radish +2

Trap crop for aphids. Repels squash bugs and beetles.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 4-9

Full Guide →

🌻

Sunflower

Helianthus annuus

✅ Good Companions

🌽 Corn 🥒 Cucumber 🌱 Melon 🎃 Squash 🥬 Lettuce

Attracts pollinators and beneficial insects. Provides shade.

❌ Avoid Planting With

🥔 Potato 🌱 Pole bean

Allelopathic - releases chemicals that inhibit some plants.

Zones: 2-9

Full Guide →

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Zinnia

Zinnia elegans

✅ Good Companions

🍅 Tomato 🌶️ Pepper 🥒 Cucumber 🎃 Squash 🌱 Melon

Attracts pollinators and beneficial predatory insects.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 3-9

Full Guide →

🌸

Petunia

Petunia × atkinsiana

✅ Good Companions

🫘 Bean 🍅 Tomato 🌶️ Pepper 🎃 Squash 🌱 Brassica

Repels aphids, tomato hornworms, and squash bugs.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 9-9

Full Guide →

🌼

Calendula

Calendula officinalis

✅ Good Companions

🍅 Tomato 🥬 Asparagus 🌱 Most vegetables

Sticky leaves trap aphids and whiteflies.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 2-9

Full Guide →

💙

Borage

Borago officinalis

✅ Good Companions

🍅 Tomato 🎃 Squash 🍓 Strawberry 🥬 Cabbage

Repels tomato hornworm. Attracts bees. Improves strawberry flavor.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 2-9

Full Guide →

🌸

Alyssum

Lobularia maritima

✅ Good Companions

🥔 Potato 🌱 Brassica 🍇 Grape 🌱 Most vegetables

Attracts beneficial insects. Living mulch.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 5-9

Full Guide →

🌸

Bachelor Button

Centaurea cyanus

✅ Good Companions

🌱 Most vegetables 🍓 Strawberry

Attracts pollinators and beneficial insects.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 2-9

Full Guide →

🌸

Chrysanthemum

Chrysanthemum spp.

✅ Good Companions

🌱 Most vegetables

Contains pyrethrin - natural insecticide.

❌ Avoid Planting With

🥬 Lettuce

May inhibit lettuce growth.

Zones: 5-9

Full Guide →

🌸

Cosmos

Cosmos bipinnatus

✅ Good Companions

🍅 Tomato 🎃 Squash 🌱 Brassica 🌱 Most vegetables

Attracts lacewings and parasitic wasps.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 2-9

Full Guide →

🌸

Dahlia

Dahlia spp.

✅ Good Companions

🌱 Most vegetables 🌸 Zinnia

Attracts pollinators. Beautiful borders.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 8-9

Full Guide →

🌸

Sweet Pea

Lathyrus odoratus

✅ Good Companions

🌱 Most vegetables 🫘 Bean

Fixes nitrogen like edible peas.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 7-9

Full Guide →

🌼

Tansy

Tanacetum vulgare

✅ Good Companions

🥔 Potato 🎃 Squash 🥒 Cucumber 🫐 Raspberry 🌱 Rose

Repels many pests including potato beetles.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 4-8

Full Guide →

🌸

Yarrow

Achillea millefolium

✅ Good Companions

🌱 Most herbs 🌱 Most vegetables

Attracts ladybugs and beneficial wasps.

❌ Avoid Planting With

🌱 None

No known bad companions.

Zones: 3-9

Full Guide →

Plant	Good Companions	Avoid	Zones	Tips
🏵️ Marigold	Tomato, Pepper, Potato, Squash	Cabbage, Bean	2-9	Plant as borders around entire vegetable garden.
🌺 Nasturtium	Tomato, Cucumber, Cabbage, Squash	None	4-9	Flowers and leaves are edible - peppery flavor.
🌻 Sunflower	Corn, Cucumber, Melon, Squash	Potato, Pole bean	2-9	Plant on north side of garden to avoid…
🌸 Zinnia	Tomato, Pepper, Cucumber, Squash	None	3-9	Cut flowers to encourage more blooms.
🌸 Petunia	Bean, Tomato, Pepper, Squash	None	9-9	Excellent container and border plant.
🌼 Calendula	Tomato, Asparagus, Most vegetables	None	2-9	Deadhead for continuous blooms.
💙 Borage	Tomato, Squash, Strawberry, Cabbage	None	2-9	Self-seeds prolifically. Blue flowers are edible.
🌸 Alyssum	Potato, Brassica, Grape, Most vegetables	None	5-9	Excellent ground cover between vegetables.
🌸 Bachelor Button	Most vegetables, Strawberry	None	2-9	Edible flowers - use in salads.
🌸 Chrysanthemum	Most vegetables	Lettuce	5-9	Plant near pest-prone vegetables.
🌸 Cosmos	Tomato, Squash, Brassica, Most vegetables	None	2-9	Easy to grow - direct sow after frost.
🌸 Dahlia	Most vegetables, Zinnia	None	8-9	Lift tubers in cold climates.
🌸 Sweet Pea	Most vegetables, Bean	None	7-9	Plant in fall in mild climates for spring…
🌼 Tansy	Potato, Squash, Cucumber, Raspberry	None	4-8	Toxic if ingested - plant away from food…
🌸 Yarrow	Most herbs, Most vegetables	None	3-9	Increases essential oil content in nearby herbs.

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