How to grow Catmint in the UK
Nepeta x faassenii
Catmint (Nepeta x faassenii) is a flower that grows well in UK gardens. Bombproof border filler. Cats roll in it — protect young plants. Hard prune in midsummer for rebloom. This guide covers when and how to sow Catmint, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Catmint
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Plant | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Soil, position & care
- Soil
- Fertile, moisture-retentive but free-draining soil
- Soil pH
- 6.0–7.5
- Position
- Sun or part shade depending on species
- Sowing depth
- Plant at the same depth as the pot
- Spacing
- 30–60 cm apart
- Sowing
- Plant container-grown stock spring or autumn; divide established clumps in spring
- Growing
- Water well the first season until established; mulch in spring
- Harvest & upkeep
- Cut back faded foliage in late autumn or early spring; divide every 3–4 years
- Watch for
- Slugs and snails on new shoots; otherwise robust
Companion planting for Catmint
Grows well with:
Add Catmint to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Catmint FAQs
What grows well with Catmint?
Catmint grows well alongside Bush Rose, Climbing Rose. Good companions can deter pests, attract pollinators or make better use of space.
How much sun does Catmint need?
Catmint prefers full sun (6+ hrs direct).
Is Catmint easy to grow?
Easy — good for beginners. Bombproof border filler. Cats roll in it — protect young plants. Hard prune in midsummer for rebloom.