Cauliflower
Companion plants for cauliflower
The best companion plants for cauliflower are broccoli, beans, onions, okra and cabbage. None of the plants we track is a clear bad neighbour. Of the 14 plants we have data on, 8 are good neighbours, 0 are bad ones and 1 is contested. 6 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.
- 8 good
- 0 to avoid
- 1 contested
- 6 tested in trials or papers
Neighbours of cauliflower at a glance
Inner rings are backed by trials or papers, outer rings by charts only. Pick a plant to see its sources.
The interactive map needs JavaScript. Every plant on it is listed below with its evidence.
Good companion plants for cauliflower
Biggest harvest gain first, then the plants tested without a yield count. Each row links to the full evidence for the pair.
| Plant | What trials found with cauliflower | Tested by | Garden charts |
|---|---|---|---|
 Broccoli |
Lures pests awaySame family (Brassicaceae): shares pests and diseases | Field trial2 studies | Not listed |
 Bean |
Bigger combined harvest | Field trial1 study | Recommend |
 Onion |
Bigger combined harvest | Field trial1 study | Not listed |
 Okra |
Less disease | Greenhouse or pot trial1 study | Not listed |
Recommended by garden charts, not tested yet
We found no trial or paper on these pairs with cauliflower. They may still work; nobody has measured it.
What not to plant with cauliflower
No plant in our data is a clear bad neighbour for cauliflower.
Relatives that share pests and diseases
| Plant | What trials found with cauliflower | Tested by | Garden charts |
|---|---|---|---|
 Radish |
No effect on harvestSame family (Brassicaceae): shares pests and diseases | Field trial1 study | Not listed |
 Kale |
No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed |
 Brussels sprouts |
No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed |
 Kohlrabi |
No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed |
 Turnip |
No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed |
Contested pairings
The sources disagree, or the charts say one thing and the trials another. Open a pair before you plant it.
| Plant | What trials found with cauliflower | Tested by | Garden charts |
|---|---|---|---|
 Lettuce |
Bigger combined harvestMixed results on pests | Field trial2 studies | Not listed |
Sources
9 sources behind the verdicts on this page. 4 chart entries cite no source and are marked as tradition only.
Show all 9 sources
Same family (Brassicaceae): Cabbage, Broccoli, Kale, Brussels sprouts, Kohlrabi, Turnip, Radish.
What grows well with your cauliflower?
Share what worked next to your cauliflower and what did not, or ask other growers a question. Reader notes are not checked by us and do not change the verdicts on this page.