Companion Plant Guide
Carrot
Traditional hedge against carrot fly.
Herb · Mint family
Rosemary companion plants
Salvia rosmarinus
What to plant beside rosemary, what to keep apart, and how to grow it — sun, spacing, soil and the pairings used in this guide.
Photo: Maria Kovalets on Unsplash
Overview
Growing rosemary beside the right neighbour
Rosemary (Salvia rosmarinus) is a herb in the Mint family. Evergreen herb that repels pests and attracts pollinators.
A rosemary hedge along the carrot bed is the traditional answer to carrot fly.
Give plants 18–24 in in full sun. Aim for well-draining, lean to moderate fertility. In most gardens the crop sits in USDA zones 6-11 and is ready in about 90-365 days.
Grows well with
What to plant with rosemary
The strongest companions for rosemary in this guide are Carrot. Each pairing below is a reason to share a bed — pest masking, roots that do not compete, or insects that hunt the pests rosemary attracts.
In the bed
How to grow rosemary
| Sun | Full sun |
|---|---|
| Spacing | 18–24 in |
| Soil | Well-draining, lean to moderate fertility |
| Hardiness | Zones 6-11 |
| Days to maturity | 90-365 |
These notes sit beside the companion lists — they are how rosemary actually occupies the bed, not a substitute for local climate.
- Very drought and heat tolerant
- Can be trained as topiary
- Harvest as needed for cooking
- Frost tender - protect in cold areas
Questions
Rosemary companion planting FAQ
What can I plant next to rosemary?
Plant Carrot beside rosemary. Carrot: Traditional hedge against carrot fly.
What should I not plant with rosemary?
Rosemary has no recorded antagonists in this guide.
How much sun does rosemary need?
Rosemary wants full sun. Space plants 18–24 in apart in well-draining, lean to moderate fertility.
How long does rosemary take to mature?
Most rosemary crops in this guide mature in 90-365 days, in hardiness zones 6-11.
Compare every pairing at a glance
Open the guide, pick rosemary, and see what thrives alongside it — and what quietly holds it back.
Open the pairing guide