Tradition
No chart mentions this pair.
Onion
Allium cepa
Amaryllidaceae
Melon
Cucumis melo
CucurbitaceaeCan you plant onions and melons together?
It depends. The sources disagree about onions and melons. Results on harvest were mixed in a field trial.
Why it depends
Mixed results on harvest. In a field trial, results on harvest were mixed.
[Effects of three intercropping species on growth, nutrition absorption, and fruit quality of oriental melon]. (Ma YJ · 2020 · Ying yong sheng tai xue bao = The journal of applied ecology)
What to plant with onions and melons
No plant in our data is a good neighbour of both onions and melons yet.
What to keep away from onions and melons
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 onions and melons
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
No plant is a good neighbour of both onions and melons in our data yet.
The evidence, with sources
- Mixedyield / land usefield trialauto-classified[Effects of three intercropping species on growth, nutrition absorption, and fruit quality of oriental melon].[Effects of three intercropping species on growth, nutrition absorption, and fruit quality of oriental melon]. (Ma YJ · 2020 · Ying yong sheng tai xue bao = The journal of applied ecology)Relevance 83% · effect confidence 42%
All neighbours of onion and of melon, or every pair at once in the companion planting chart.
Have you grown onions and melons 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.