Asparagus
Companion plants for asparagus
The best companion plants for asparagus are tomatoes, basil, parsley, dill and cilantro. Potatoes, onions and garlic are best kept away. Of the 8 plants we have data on, 5 are good neighbours, 3 are bad ones and 0 are contested. 0 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.
- 5 good
- 3 to avoid
- 0 contested
- 0 tested in trials or papers
Neighbours of asparagus 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 asparagus
Biggest harvest gain first, then the plants tested without a yield count. Each row links to the full evidence for the pair.
Recommended by garden charts, not tested yet
We found no trial or paper on these pairs with asparagus. They may still work; nobody has measured it.
What not to plant with asparagus
| Plant | What trials found with asparagus | Tested by | Garden charts |
|---|---|---|---|
 Potato |
No trial found | Not tested | Advise against |
 Onion |
No trial found | Not tested | Advise against |
 Garlic |
No trial found | Not tested | Advise against |
Sources
1 source behind the verdicts on this page. 9 chart entries cite no source and are marked as tradition only.
What grows well with your asparagus?
Share what worked next to your asparagus 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.