Tradition
No chart mentions this pair.
Pepper
Capsicum annuum
Solanaceae
Cucumber
Cucumis sativus
CucurbitaceaeCan you plant peppers and cucumbers together?
It depends. The sources disagree about peppers and cucumbers. Results on disease were mixed in a greenhouse or pot trial.
Why it depends
Mixed results on disease. In a greenhouse or pot trial, results on disease were mixed.
Screening plants resistant against Meloidogyne incognita and integrated management of plant resources for nematode control (Dong L · 2012 · Crop Protection)
What to plant with peppers and cucumbers
Good neighbours of both, best tested first.
CarrotWith peppers: 127% more harvestWith cucumbers: Recommended by garden charts, not tested
RadishWith peppers: 69% more harvestWith cucumbers: Recommended by garden charts, not tested
Sweet cornWith peppers: 44% more harvestWith cucumbers: Fewer pests
OnionWith peppers: 20% more harvestWith cucumbers: Helpful plant chemistry
CeleryWith peppers: Better soil and nutrient uptakeWith cucumbers: Fewer pests
What to keep away from peppers and cucumbers
KaleWith peppers: Garden charts advise against it, not tested
Brussels sproutsWith peppers: Garden charts advise against it, not tested
PotatoWith cucumbers: 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
Research
Mixed
avoidgood
1 paper found: 0 positive, 0 negative, 1 mixed.
disease suppression
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 peppers and cucumbers
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With peppers | With cucumbers |
|---|---|---|
| Carrot | 127% more harvest from the same spaceField trial, 1 study. Charts: not listed.Evidence for peppers and carrots | No trial foundNot tested. Charts: recommend.Evidence for cucumbers and carrots |
| Radish | 69% more harvest from the same spaceField trial, 2 studies. Charts: not listed.Evidence for peppers and radishes | No trial foundNot tested. Charts: recommend.Evidence for cucumbers and radishes |
| Sweet corn | Lures pests away, better soil and nutrient uptake and less disease44% more harvest from the same spaceField trial, 5 studies. Charts: not listed.Evidence for peppers and corn | Fewer pestsField trial, 1 study. Charts: not listed.Evidence for cucumbers and corn |
| Onion | 20% more harvest from the same spaceField trial, 6 studies. Charts: recommend.Evidence for peppers and onions | Helpful plant chemistry and bigger combined harvestField trial, 3 studies. Charts: recommend.Evidence for cucumbers and onions |
| Celery | Better soil and nutrient uptakeField trial, 1 study. Charts: not listed.Evidence for peppers and celery | Fewer pestsField trial, 2 studies. Charts: recommend.Evidence for cucumbers and celery |
 Dill | Draws in pest-eating insectsField trial, 1 study. Charts: not listed.Evidence for peppers and dill | No trial foundNot tested. Charts: recommend.Evidence for cucumbers and dill |
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
- Mixeddisease suppressiongreenhouse / pot trialauto-classifiedScreening plants resistant against Meloidogyne incognita and integrated management of plant resources for nematode controlScreening plants resistant against Meloidogyne incognita and integrated management of plant resources for nematode control (Dong L · 2012 · Crop Protection)Relevance 91% · effect confidence 78%
All neighbours of pepper and of cucumber, or every pair at once in the companion planting chart.
Have you grown peppers and cucumbers 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.