Melon

Melon

Cucumis melo
Cucurbitaceae

Companion plants for melons

The best companion plants for melons are fennel. None of the plants we track is a clear bad neighbour. Of the 5 plants we have data on, 1 is a good neighbour, 0 are bad ones and 1 is contested. 2 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.

Neighbours of melons at a glance

Inner rings are backed by trials or papers, outer rings by charts only. Pick a plant to see its sources.

The interactive map needs JavaScript. Every plant on it is listed below with its evidence.

Good companion plants for melons

Biggest harvest gain first, then the plants tested without a yield count. Each row links to the full evidence for the pair.

PlantWhat trials found with melonsTested byGarden charts
Fennel Bigger combined harvest Field trial1 study Not listed

What not to plant with melons

No plant in our data is a clear bad neighbour for melons.

Relatives that share pests and diseases

PlantWhat trials found with melonsTested byGarden charts
Cucumber No trial foundSame family (Cucurbitaceae): shares pests and diseases Not tested Not listed
Squash & pumpkin No trial foundSame family (Cucurbitaceae): shares pests and diseases Not tested Not listed
Watermelon No trial foundSame family (Cucurbitaceae): shares pests and diseases Not tested Not listed

Contested pairings

The sources disagree, or the charts say one thing and the trials another. Open a pair before you plant it.

PlantWhat trials found with melonsTested byGarden charts
Onion Mixed results on harvest Field trial1 study Not listed

Sources

2 sources behind the verdicts on this page.

Show all 2 sources
Crop Rotation in the Vegetable Garden (Steil · 2025 · Iowa State University Extension and Outreach, Yard and Garden)
[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)
Plan a bed with melons

Same family (Cucurbitaceae): Cucumber, Squash & pumpkin, Watermelon.

What grows well with your melons?

Share what worked next to your melons and what did not, or ask other growers a question. Reader notes are not checked by us and do not change the verdicts on this page.