Can you plant lettuce and thyme together?

Charts say yes. Nobody has tested lettuce with thyme, as far as we could find.

Why we can't give a firm answer

Garden charts recommend it. 1 garden chart entry recommends growing them together. Charts pass on gardening tradition; they are not tests.
Companion planting: A method for sustainable pest control (Riesselman · Iowa State University)

What to plant with lettuce and thyme

Good neighbours of both, best tested first.

EggplantWith lettuce: 16% more harvestWith thyme: Recommended by garden charts, not tested

How each one was tested, with the evidence

What to keep away from lettuce and thyme

CeleryWith lettuce: Garden charts advise against it, not tested
ParsleyWith lettuce: Garden charts advise against it, not tested
BasilWith thyme: 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

Tradition

Good

avoidgood

1 chart entry: 1 recommend, 0 advise against.

All entries cite a source.

Research

No papers found on this pair.

Yield trial

No intercropping yield trial.

Untested folklore

Companion plants for both lettuce and thyme

Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.

Plant	With lettuce	With thyme
Eggplant	16% more harvest from the same spaceField trial, 1 study. Charts: not listed.Evidence for lettuce and eggplant	No trial foundNot tested. Charts: recommend.Evidence for thyme and eggplant

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

TraditionGood1 entry

GoodThyme helps Lettuce
Lettuce: helped by thyme
Companion planting: A method for sustainable pest control (Riesselman · Iowa State University)

Plan a bed with lettuce and thyme

All neighbours of lettuce and of thyme, or every pair at once in the companion planting chart.

Have you grown lettuce and thyme 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.