Tradition
Bad
avoidgood
2 chart entries: 0 recommend, 2 advise against.
0 cited, 2 uncited.
Lettuce
Lactuca sativa
Asteraceae
Parsley
Petroselinum crispum
ApiaceaeCan you plant lettuce and parsley together?
Charts say no. Nobody has tested lettuce with parsley, as far as we could find. None of the chart entries we found cites a source.
Why we can't give a firm answer
Garden charts advise against it. 2 garden chart entries say to keep them apart. None of them cites a source. Charts pass on gardening tradition; they are not tests.
List of companion plants (uncited entry) (Wikipedia)
What to plant with lettuce and parsley
Good neighbours of both, best tested first.
CarrotWith lettuce: 78% more harvestWith parsley: 137% more harvest
What to keep away from lettuce and parsley
CeleryWith lettuce: Garden charts advise against it, not tested
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
No papers found on this pair.
Yield trial
No intercropping yield trial.
Untested folklore
Companion plants for both lettuce and parsley
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With lettuce | With parsley |
|---|---|---|
| Carrot | 78% more harvest from the same spaceField trial, 1 study. Charts: recommend.Evidence for lettuce and carrots | 137% more harvest from the same spaceSame family (Apiaceae): shares pests and diseasesField trial, 1 study. Charts: not listed.Evidence for parsley and carrots |
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).
The evidence, with sources
- Badadvises againstLettuce: avoid parsleyList of companion plants (uncited entry) (Wikipedia)
- Badadvises againstParsley: avoid lettuceList of companion plants (uncited entry) (Wikipedia)
All neighbours of lettuce and of parsley, or every pair at once in the companion planting chart.
Have you grown lettuce and parsley 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.