Can you plant mint and peas together?

Charts say yes. Nobody has tested mint with peas, as far as we could find. None of the chart entries we found cites a source.

Why we can't give a firm answer

Garden charts recommend it. 2 garden chart entries recommend growing them together. None of them cites a source. Charts pass on gardening tradition; they are not tests.
List of companion plants (uncited entry) (Wikipedia)

What to plant with mint and peas

Good neighbours of both, best tested first.

LettuceWith mint: Helpful plant chemistryWith peas: 19% more harvest
CabbageWith mint: Draws in pest-eating insectsWith peas: 11% more harvest

How each one was tested, with the evidence

What to keep away from mint and peas

CarrotWith peas: Smaller combined harvest
OnionWith peas: Garden charts advise against it, not tested
ChivesWith peas: Garden charts advise against it, not tested

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

Tradition

Good

avoidgood

2 chart entries: 2 recommend, 0 advise against.

0 cited, 2 uncited.

Research

No papers found on this pair.

Yield trial

No intercropping yield trial.

Untested folklore

Companion plants for both mint and peas

Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.

Plant	With mint	With peas
Lettuce	Helpful plant chemistryGreenhouse or pot trial, 1 study. Charts: not listed.Evidence for mint and lettuce	19% more harvest from the same spaceField trial, 1 study. Charts: not listed.Evidence for peas and lettuce
Cabbage	Draws in pest-eating insectsField trial, 1 study. Charts: recommend.Evidence for mint and cabbage	11% more harvest from the same spaceField trial, 3 studies. Charts: not listed.Evidence for peas and cabbage

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

TraditionGood2 entries

GoodMint helps Pea
Peppermint: helps peas
List of companion plants (uncited entry) (Wikipedia)
GoodMint helps Pea
Spearmint: helps peas
List of companion plants (uncited entry) (Wikipedia)

Plan a bed with mint and peas

All neighbours of mint and of pea, or every pair at once in the companion planting chart.

Have you grown mint 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.