How to grow Mint in the UK
Mentha spicata
Mint (Mentha spicata) is a herb that grows well in UK gardens. Always grow in a pot — it's a thug and will take over a border in two seasons. This guide covers when and how to sow Mint, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Mint
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Plant | May Harvest | Jun Harvest | Jul Harvest | Aug Harvest | Sep Harvest | Oct Harvest | Nov | Dec |
Soil, position & care
- Soil
- Light, free-draining soil; many herbs resent winter wet
- Soil pH
- 6.0–7.5
- Position
- Sun or part shade — grow in a pot to curb spread
- Sowing depth
- Surface to 1 cm
- Spacing
- 20–30 cm apart
- Sowing
- Plant pot-grown mint spring; runners are invasive
- Growing
- Keep moist; sink pots in the ground to contain roots
- Harvest & upkeep
- Cut back hard after flowering for fresh growth
- Watch for
- Mint rust, aphids
Companion planting for Mint
Grows well with:
Add Mint to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Mint FAQs
What grows well with Mint?
Mint grows well alongside Broccoli, Brussels Sprout, Cabbage, Cauliflower, Kale, Kohlrabi. Good companions can deter pests, attract pollinators or make better use of space.
How much sun does Mint need?
Mint prefers partial sun (3–6 hrs).
When is Mint ready to harvest?
Mint is typically ready to harvest in May, June, July, August, September, October in the UK.
Is Mint easy to grow?
Easy — good for beginners. Always grow in a pot — it's a thug and will take over a border in two seasons.