How to grow Forget-me-not in the UK
Myosotis
Forget-me-not (Myosotis) is a flower that grows well in UK gardens. Biennial that self-seeds aggressively — pull up after flowering or you'll have a lawn of them. This guide covers when and how to sow Forget-me-not, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Forget-me-not
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr | May | Jun Sow | Jul | Aug | Sep Plant | 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 Forget-me-not
No specific companion notes for this plant.
Add Forget-me-not to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Forget-me-not FAQs
When should I sow Forget-me-not in the UK?
In the UK, sow Forget-me-not in June. Sowing across these months gives the plant the right soil temperature and day length to establish well.
How much sun does Forget-me-not need?
Forget-me-not prefers partial sun (3–6 hrs).
Is Forget-me-not easy to grow?
Easy — good for beginners. Biennial that self-seeds aggressively — pull up after flowering or you'll have a lawn of them.