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Companion Planting Guide

Companion Plants for Zucchini

Discover which plants thrive alongside Zucchini and which ones to keep far away. Strategic companion planting boosts yields, repels pests naturally, and makes the most of your garden space.

Good Companions for Zucchini

Plant these near your Zucchini for mutual benefit

Corn

Good

Three Sisters companion — corn provides structure while zucchini covers the ground

View Corn growing guide

Marigold

Good

Repels squash vine borers and other pests that devastate zucchini plants

View Marigold growing guide

Basil

Good

Repels aphids and whiteflies; some gardeners report improved zucchini flavor

View Basil growing guide

Borage

Good

Borage repels tomato hornworm and cabbage worms; improves zucchini vigor when nearby

View Borage growing guide

Radish

Good

Deters squash vine borers and cucumber beetles that attack zucchini

View Radish growing guide

Plants to Avoid Near Zucchini

Keep these away from your Zucchini plants

Potato

Avoid

Both attract similar diseases and pests; planting together increases pressure on both

View Potato growing guide

Fennel

Avoid

Fennel inhibits growth of most garden vegetables including zucchini

View Fennel growing guide

Where to Grow Zucchini With Its Companions

Check your city's planting calendar for Zucchini and its best companion plants.

Frequently Asked Questions

What grows well with Zucchini?

Corn: Three Sisters companion — corn provides structure while zucchini covers the ground. Marigold: Repels squash vine borers and other pests that devastate zucchini plants. Basil: Repels aphids and whiteflies; some gardeners report improved zucchini flavor.

What should you not plant near Zucchini?

Potato: Both attract similar diseases and pests; planting together increases pressure on both. Fennel: Fennel inhibits growth of most garden vegetables including zucchini.

What is companion planting for Zucchini?

Companion planting for Zucchini means strategically placing plants nearby that offer mutual benefits — such as repelling pests, attracting pollinators, or improving soil conditions. Good Zucchini companions include Corn, Marigold, Basil. Avoid planting Zucchini near Potato or Fennel.