Celery

Celery

Apium graveolens
Apiaceae

Companion plants for celery

The best companion plants for celery are leeks, cabbage, cucumbers, peppers and beans. Lettuce and corn are best kept away. Of the 17 plants we have data on, 8 are good neighbours, 2 are bad ones and 0 are contested. 6 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.

Neighbours of celery 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 celery

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 celeryTested byGarden charts
Cabbage 27% more harvest from the same space Field trial1 study Recommend
Leek Less competition19% more harvest from the same space Field trial2 studies Recommend
Cucumber Fewer pests Field trial2 studies Recommend
Pepper Better soil and nutrient uptake Field trial1 study Not listed

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).

Recommended by garden charts, not tested yet

We found no trial or paper on these pairs with celery. They may still work; nobody has measured it.

BeanTomatoCauliflowerGarlic

What not to plant with celery

PlantWhat trials found with celeryTested byGarden charts
Lettuce No trial found Not tested Advise against
Sweet corn No trial found Not tested Advise against

Relatives that share pests and diseases

PlantWhat trials found with celeryTested byGarden charts
Parsley No effect on growthSame family (Apiaceae): shares pests and diseases Field trial1 study Not listed
Carrot No trial foundSame family (Apiaceae): shares pests and diseases Not tested Not listed
Parsnip No trial foundSame family (Apiaceae): shares pests and diseases Not tested Not listed
Dill No trial foundSame family (Apiaceae): shares pests and diseases Not tested Not listed
Fennel No trial foundSame family (Apiaceae): shares pests and diseases Not tested Not listed
Cilantro No trial foundSame family (Apiaceae): shares pests and diseases Not tested Not listed

No measurable effect

PlantWhat trials found with celeryTested byGarden charts
Oregano No effect on pest-eating insects Field trial1 study Not listed

Sources

11 sources behind the verdicts on this page. 14 chart entries cite no source and are marked as tradition only.

Show all 11 sources
Crop Rotation in the Vegetable Garden (Steil · 2025 · Iowa State University Extension and Outreach, Yard and Garden)
Reducing whiteflies on cucumber using intercropping with less preferred vegetables (Zhao · 2014 · Entomologia Experimentalis et Applicata)
Companion planting: Myth or reality? (2010 · Utah Pests News)
Plan a bed with celery

Same family (Apiaceae): Carrot, Parsnip, Parsley, Dill, Fennel, Cilantro.

What grows well with your celery?

Share what worked next to your celery 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.