Tradition
Bad
avoidgood
1 chart entry: 0 recommend, 1 advise against.
All entries cite a source.
Pea
Pisum sativum
Fabaceae
Tomato
Solanum lycopersicum
SolanaceaeCan you plant peas and tomatoes together?
It depends. The sources disagree about peas and tomatoes. Results on harvest were mixed in a greenhouse or pot trial, while garden charts advise against it.
Why it depends
Mixed results on harvest. In a greenhouse or pot trial, results on harvest were mixed.
Intercropping on Mars: A promising system to optimise fresh food production in future martian colonies. (Gonçalves R · 2024 · PloS one)Garden charts advise against it. 1 garden chart entry says to keep them apart. Charts pass on gardening tradition; they are not tests.
Fusarium crown and root rot of tomato in Florida (Zhang · 2011 · [[University of Florida]] Institute of Agricultural Sciences)
What to plant with peas and tomatoes
Good neighbours of both, best tested first.
MintWith peas: Recommended by garden charts, not testedWith tomatoes: 72% more harvest
CabbageWith peas: 11% more harvestWith tomatoes: 34% more harvest
GarlicWith peas: 30% more harvestWith tomatoes: Recommended by garden charts, not tested
CilantroWith peas: Recommended by garden charts, not testedWith tomatoes: Less disease
What to keep away from peas and tomatoes
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
Mixed
avoidgood
1 paper found: 0 positive, 0 negative, 1 mixed.
yield / land use
auto-classified not reviewed by a person
Yield trial
No intercropping yield trial.
It's complicated
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 peas and tomatoes
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With peas | With tomatoes |
|---|---|---|
| Mint | No trial foundNot tested. Charts: recommend.Evidence for peas and mint | 72% more harvest from the same spaceField trial, 1 study. Charts: recommend.Evidence for tomatoes and mint |
| Cabbage | 11% more harvest from the same spaceField trial, 3 studies. Charts: not listed.Evidence for peas and cabbage | 34% more harvest from the same spaceField trial, 4 studies. Charts: not listed.Evidence for tomatoes and cabbage |
| Garlic | 30% more harvest from the same spaceField trial, 2 studies. Charts: recommend.Evidence for peas and garlic | No trial foundNot tested. Charts: recommend.Evidence for tomatoes and garlic |
| Cilantro | No trial foundNot tested. Charts: recommend.Evidence for peas and cilantro | Less disease and fewer pestsField trial, 3 studies. Charts: recommend.Evidence for tomatoes and cilantro |
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
- Mixedyield / land usegreenhouse / pot trialauto-classifiedIntercropping on Mars: A promising system to optimise fresh food production in future martian colonies.Intercropping on Mars: A promising system to optimise fresh food production in future martian colonies. (Gonçalves R · 2024 · PloS one)Relevance 97% · effect confidence 64%
- Badadvises againstTomatoes: avoid peasFusarium crown and root rot of tomato in Florida (Zhang · 2011 · [[University of Florida]] Institute of Agricultural Sciences)
All neighbours of pea and of tomato, or every pair at once in the companion planting chart.
Have you grown peas and tomatoes 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.