Tradition
Good
avoidgood
2 chart entries: 2 recommend, 0 advise against.
0 cited, 2 uncited.
Oregano
Origanum vulgare
Lamiaceae
Tomato
Solanum lycopersicum
SolanaceaeCan you plant oregano and tomatoes together?
Charts say yes. Nobody has tested oregano with tomatoes, 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 recommend it. 2 garden chart entries recommend growing them together. 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 oregano and tomatoes
Good neighbours of both, best tested first.
Squash & pumpkinWith oregano: Recommended by garden charts, not testedWith tomatoes: 18% more harvest
BasilWith oregano: Recommended by garden charts, not testedWith tomatoes: 7% more harvest
SageRecommended by garden charts for both, not tested yet
What to keep away from oregano and tomatoes
RosemaryWith tomatoes: 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 oregano and tomatoes
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
| Plant | With oregano | With tomatoes |
|---|---|---|
| Squash & pumpkin | No trial foundNot tested. Charts: recommend.Evidence for oregano and squash | 18% more harvest from the same spaceField trial, 1 study. Charts: recommend.Evidence for tomatoes and squash |
| Basil | No trial foundSame family (Lamiaceae): shares pests and diseasesNot tested. Charts: recommend.Evidence for oregano and basil | Helpful plant chemistry, fewer pests and better soil and nutrient uptake7% more harvest from the same spaceField trial, 6 studies. Charts: recommend.Evidence for tomatoes and basil |
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 for both, not tested yet
The evidence, with sources
- GoodOregano helps TomatoTomatoes: helped by oreganoList of companion plants (uncited entry) (Wikipedia)
- GoodOregano helps TomatoOregano: helps tomatoesList of companion plants (uncited entry) (Wikipedia)
All neighbours of oregano and of tomato, or every pair at once in the companion planting chart.
Have you grown oregano and tomatoes 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.