Tradition
No chart mentions this pair.
Broccoli
Brassica oleracea var. italica
Brassicaceae
Pea
Pisum sativum
FabaceaeCan you plant broccoli and peas together?
Yes. Studies found no clear effect of growing broccoli with peas, so plant them together or apart as space allows.
Why it makes little difference
No clear effect on harvest. In a field trial, growing them together made no clear difference to harvest.
Crop interactions in broccoli intercropping (Santos RHS · 2002 · Biological agriculture & horticulture)
What to plant with broccoli and peas
Good neighbours of both, best tested first.
CabbageWith broccoli: Lures pests awayWith peas: 11% more harvest
TurnipWith broccoli: Recommended by garden chartsWith peas: Better soil and nutrient uptake
CauliflowerWith broccoli: Lures pests awayWith peas: Recommended by garden charts, not tested
What to keep away from broccoli and peas
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 effect
avoidgood
1 paper found: 0 positive, 0 negative, 1 no effect.
yield / land use
auto-classified not reviewed by a person
Yield trial
No intercropping yield trial.
No effect found
What happens above and below ground
Each animation illustrates a mechanism a study reported for this pair. Pick a card to focus on it.
Everything at once.
Companion plants for both broccoli and peas
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With broccoli | With peas |
|---|---|---|
| Cabbage | Lures pests awaySame family (Brassicaceae): shares pests and diseasesField trial, 3 studies. Charts: not listed.Evidence for broccoli and cabbage | 11% more harvest from the same spaceField trial, 3 studies. Charts: not listed.Evidence for peas and cabbage |
| Turnip | No effect on pestsSame family (Brassicaceae): shares pests and diseasesField trial, 1 study. Charts: recommend.Evidence for broccoli and turnips | Better soil and nutrient uptakeField trial, 1 study. Charts: recommend.Evidence for peas and turnips |
| Cauliflower | Lures pests awaySame family (Brassicaceae): shares pests and diseasesField trial, 2 studies. Charts: not listed.Evidence for broccoli and cauliflower | No trial foundNot tested. Charts: recommend.Evidence for peas and cauliflower |
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).
The evidence, with sources
- No effectyield / land usefield trialauto-classifiedCrop interactions in broccoli intercroppingCrop interactions in broccoli intercropping (Santos RHS · 2002 · Biological agriculture & horticulture)Relevance 94% · effect confidence 25%
All neighbours of broccoli and of pea, or every pair at once in the companion planting chart.
Have you grown broccoli and peas 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.