Tradition
Good
avoidgood
2 chart entries: 2 recommend, 0 advise against.
All entries cite a source.
Cauliflower
Brassica oleracea var. botrytis
Brassicaceae
Spinach
Spinacia oleracea
AmaranthaceaeCan you plant cauliflower and spinach together?
Charts say yes. Nobody has tested cauliflower with spinach, as far as we could find.
Why we can't give a firm answer
Garden charts recommend it. 2 garden chart entries recommend growing them together. Charts pass on gardening tradition; they are not tests.
Spinach Companion Planting: 10 Plants to Grow with Spinach (Webber · 2021 · Yard Surfer)and 1 more source
What to plant with cauliflower and spinach
Good neighbours of both, best tested first.
What to keep away from cauliflower and spinach
Nothing in our data is a bad neighbour of cauliflower or spinach.
The evidence in detail
For readers who want to dig in: every chart entry, study and yield trial behind the answer above, with the numbers.
Tradition, research and yield trials
Research
No papers found on this pair.
Yield trial
No intercropping yield trial.
Untested folklore
Companion plants for both cauliflower and spinach
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With cauliflower | With spinach |
|---|---|---|
 Cabbage | No trial foundSame family (Brassicaceae): shares pests and diseasesNot tested. Charts: recommend.Evidence for cauliflower and cabbage | 46% more harvest from the same spaceField trial, 3 studies. Charts: not listed.Evidence for spinach and cabbage |
 Bean | Bigger combined harvestField trial, 1 study. Charts: recommend.Evidence for cauliflower and beans | No trial foundNot tested. Charts: recommend.Evidence for spinach and beans |
Harvest from the same space compares a bed with both crops against the same area split into single-crop beds, counting the harvest of both crops (the land equivalent ratio in yield trials).
Recommended by garden charts for both, not tested yet
The evidence, with sources
- GoodCauliflower helps SpinachCauliflower: helps spinachSpinach Companion Planting: 10 Plants to Grow with Spinach (Webber · 2021 · Yard Surfer)
- GoodSpinach helps CauliflowerCauliflower: helped by and sunflower. SpinachSunflower Companion Planting: 11 Plants to Grow with Sunflower (Webber · 2021 · Yard Surfer)Spinach Companion Planting: 10 Plants to Grow with Spinach (Webber · 2021 · Yard Surfer)
All neighbours of cauliflower and of spinach, or every pair at once in the companion planting chart.
Have you grown cauliflower and spinach together?
Tell other gardeners what happened: spacing, pests, harvest, or ask a question. Reader notes are not checked by us and do not change the verdicts on this page.