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Companion Planting Guide

Companion Plants for Broccoli

Discover which plants thrive alongside Broccoli 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 Broccoli

Plant these near your Broccoli for mutual benefit

Celery

Good

Celery repels white cabbage butterfly; they share growing conditions without competing

View Celery growing guide

Onion

Good

Strong onion scent deters aphids and cabbage moths that attack broccoli

View Onion growing guide

Marigold

Good

Repels cabbage worms and aphids; strong scent confuses pests finding host brassicas

View Marigold growing guide

Dill

Good

Young dill attracts beneficial wasps that parasitize caterpillars attacking broccoli

View Dill growing guide

Rosemary

Good

Repels cabbage moths and bean beetles; both grow well in similar well-drained soil

View Rosemary growing guide

Plants to Avoid Near Broccoli

Keep these away from your Broccoli plants

Tomato

Avoid

Tomatoes and brassicas inhibit each other's growth; keep them in separate garden sections

View Tomato growing guide

Strawberry

Avoid

Brassicas inhibit strawberry growth; always separate these in your garden layout

View Strawberry growing guide

Pepper

Avoid

Peppers and brassicas compete for similar nutrients and don't grow well as companions

View Pepper growing guide

Where to Grow Broccoli With Its Companions

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

Frequently Asked Questions

What grows well with Broccoli?

Celery: Celery repels white cabbage butterfly; they share growing conditions without competing. Onion: Strong onion scent deters aphids and cabbage moths that attack broccoli. Marigold: Repels cabbage worms and aphids; strong scent confuses pests finding host brassicas.

What should you not plant near Broccoli?

Tomato: Tomatoes and brassicas inhibit each other's growth; keep them in separate garden sections. Strawberry: Brassicas inhibit strawberry growth; always separate these in your garden layout. Pepper: Peppers and brassicas compete for similar nutrients and don't grow well as companions.

What is companion planting for Broccoli?

Companion planting for Broccoli means strategically placing plants nearby that offer mutual benefits — such as repelling pests, attracting pollinators, or improving soil conditions. Good Broccoli companions include Celery, Onion, Marigold. Avoid planting Broccoli near Tomato or Strawberry.