Smart Garden Planner

Companion plants for cauliflower

We found 0 sourced companions and 1 pairing to use with caution. Each one links to its source and shows how strong the evidence is.

Growing cauliflower

Brassica oleracea var. botrytis

Sun
Full sun; at least 6 hours of direct light, ideally 8–10
Water
Steady moisture; stress can cause small, early heads
Soil
Fertile, well-drained soil high in organic matter
Spacing
Rotate with other cole crops; do not follow broccoli or cabbage
Growing guide source

Good companions for cauliflower

No sourced companion pairings for cauliflower yet.

Use caution

  • Broccoli

    Extension guidance

    Broccoli and cauliflower share pests and diseases.

    Both are Brassica oleracea cole crops with similar diseases and pests; cole crops should not follow each other in the same spot.

    Spacing: No safe distance is established; rotate cole crops each year.

    Pests: Scout for caterpillars and flea beetles; row covers can exclude them.

    UMass Amherst · New England Vegetable Management Guide, Brassica crops

Other crops

Check pairings in your own beds

Smart Garden Planner flags companions and conflicts as you add cauliflower and other plants to a garden bed.

Reference version 2026-11-08. Educational information; local conditions vary — check your local extension office.