Broccoli
Companion plants for broccoli
The best companion plants for broccoli are cabbage, cauliflower, turnips, potatoes and fava beans. None of the plants we track is a clear bad neighbour. Of the 18 plants we have data on, 10 are good neighbours, 0 are bad ones and 3 are contested. 9 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.
- 10 good
- 0 to avoid
- 3 contested
- 9 tested in trials or papers
Neighbours of broccoli 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 broccoli
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 broccoli | Tested by | Garden charts |
|---|---|---|---|
| Lures pests awaySame family (Brassicaceae): shares pests and diseases | Field trial3 studies | Not listed | |
| Lures pests awaySame family (Brassicaceae): shares pests and diseases | Field trial2 studies | Not listed | |
| No effect on pestsSame family (Brassicaceae): shares pests and diseases | Field trial1 study | Recommend | |
| Bigger combined harvest | Field trial2 studies | Not listed | |
| Lures pests away | Field trial1 study | Not listed |
Recommended by garden charts, not tested yet
We found no trial or paper on these pairs with broccoli. They may still work; nobody has measured it.
What not to plant with broccoli
No plant in our data is a clear bad neighbour for broccoli.
Relatives that share pests and diseases
| Plant | What trials found with broccoli | Tested by | Garden charts |
|---|---|---|---|
| No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed | |
| No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed | |
| No trial foundSame family (Brassicaceae): shares pests and diseases | Not tested | Not listed | |
| 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 broccoli | Tested by | Garden charts |
|---|---|---|---|
| Mixed results on competition for light and water | Field trial3 studies | Recommend | |
| Mixed results on pests | Field trial1 study | Not listed | |
| Mixed results on harvest | Field trial1 study | Not listed |
No measurable effect
| Plant | What trials found with broccoli | Tested by | Garden charts |
|---|---|---|---|
| No effect on harvest | Field trial1 study | Not listed |
Sources
11 sources behind the verdicts on this page. 6 chart entries cite no source and are marked as tradition only.
Show all 11 sources
Same family (Brassicaceae): Cabbage, Cauliflower, Kale, Brussels sprouts, Kohlrabi, Turnip, Radish.
What grows well with your broccoli?
Share what worked next to your broccoli 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.