Radish

Radish

Raphanus sativus
Brassicaceae
Squash & pumpkin

Squash & pumpkin

Cucurbita spp.
Cucurbitaceae

Can you plant radishes and squash together?

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

Why we can't give a firm answer

What to plant with radishes and squash

Good neighbours of both, best tested first.

How each one was tested, with the evidence

What to keep away from radishes and squash

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

3 chart entries: 3 recommend, 0 advise against.

0 cited, 3 uncited.

Research

No papers found on this pair.

Yield trial

No intercropping yield trial.

Untested folklore

Companion plants for both radishes and squash

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

PlantWith radishesWith squash
Sweet corn40% more harvest from the same spaceField trial, 2 studies. Charts: not listed.Evidence for radishes and corn13% more harvest from the same spaceField trial, 4 studies. Charts: recommend.Evidence for squash and corn
Bean21% more harvest from the same spaceField trial, 1 study. Charts: recommend.Evidence for radishes and beansFewer pests and better soil and nutrient uptake17% more harvest from the same spaceField trial, 7 studies. Charts: recommend.Evidence for squash 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).

The evidence, with sources

TraditionGood3 entries
Plan a bed with radishes and squash

All neighbours of radish and of squash & pumpkin, or every pair at once in the companion planting chart.

Have you grown radishes and squash 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.