Companion plants for rosemary

The best companion plants for rosemary are peppers, beans, thyme, sage and cabbage. Tomatoes are best kept away. Of the 10 plants we have data on, 6 are good neighbours, 1 is a bad one and 0 are contested. 1 of these verdicts rest on field trials or research papers; the rest come from traditional companion-planting charts.

6 good
1 to avoid
0 contested
1 tested in trials or papers

Neighbours of rosemary 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 rosemary

Biggest harvest gain first, then the plants tested without a yield count. Each row links to the full evidence for the pair.

Plant	What trials found with rosemary	Tested by	Garden charts
Pepper	Fewer pests	Greenhouse or pot trial2 studies	Not listed

Recommended by garden charts, not tested yet

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

Bean Thyme Sage Cabbage Carrot

What not to plant with rosemary

Plant	What trials found with rosemary	Tested by	Garden charts
Tomato	No trial found	Not tested	Advise against

Relatives that share pests and diseases

Plant	What trials found with rosemary	Tested by	Garden charts
Basil	No trial foundSame family (Lamiaceae): shares pests and diseases	Not tested	Not listed
Mint	No trial foundSame family (Lamiaceae): shares pests and diseases	Not tested	Not listed
Oregano	No trial foundSame family (Lamiaceae): shares pests and diseases	Not tested	Not listed

Sources

5 sources behind the verdicts on this page. 5 chart entries cite no source and are marked as tradition only.

Show all 5 sources

Crop Rotation in the Vegetable Garden (Steil · 2025 · Iowa State University Extension and Outreach, Yard and Garden)

Influence of neighbouring companion plants on the performance of aphid populations on sweet pepper plants under greenhouse conditions (Ben Issa R · 2017 · Agricultural and Forest Entomology)

Which companion plants affect the performance of green peach aphid on host plants? Testing of 12 candidate plants under laboratory conditions (Ben Issa R · 2016 · Entomologia Experimentalis et Applicata.)

Production guide for organic snap beans for processing (2013 · NYS IPM Publication)

Companion Plants (Alabama Cooperative Extension System)

Plan a bed with rosemary

Same family (Lamiaceae): Basil, Mint, Thyme, Sage, Oregano.

What grows well with your rosemary?

Share what worked next to your rosemary 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.