Swiss chard
Beta vulgaris subsp. vulgaris (Cicla Group)
AmaranthaceaeCompanion plants for Swiss chard
The best companion plants for Swiss chard are spinach and lettuce. Leeks are best kept away. Of the 4 plants we have data on, 2 are good neighbours, 1 is a bad one and 0 are contested. 2 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.
- 2 good
- 1 to avoid
- 0 contested
- 2 tested in trials or papers
Neighbours of Swiss chard 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 Swiss chard
Biggest harvest gain first, then the plants tested without a yield count. Each row links to the full evidence for the pair.
| Plant | What trials found with Swiss chard | Tested by | Garden charts |
|---|---|---|---|
 Spinach |
Bigger combined harvestSame family (Amaranthaceae): shares pests and diseases | Greenhouse or pot trial1 study | Not listed |
 Lettuce |
Bigger combined harvest | Greenhouse or pot trial1 study | Not listed |
What not to plant with Swiss chard
| Plant | What trials found with Swiss chard | Tested by | Garden charts |
|---|---|---|---|
 Leek |
No trial found | Not tested | Advise against |
Relatives that share pests and diseases
| Plant | What trials found with Swiss chard | Tested by | Garden charts |
|---|---|---|---|
 Beet |
No trial foundSame family (Amaranthaceae): shares pests and diseases | Not tested | Not listed |
Sources
2 sources behind the verdicts on this page. 1 chart entry cite no source and are marked as tradition only.
Show all 2 sources
Crop Rotation in the Vegetable Garden (Steil · 2025 · Iowa State University Extension and Outreach, Yard and Garden)
Inoculation with extreme endophytes improves performance and nutritional quality in crop species grown under exoplanetary conditions. (Molina-Montenegro MA · 2023 · Frontiers in plant science)
What grows well with your Swiss chard?
Share what worked next to your Swiss chard 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.