How to grow Summer Snowflake in the UK
Leucojum aestivum
Summer Snowflake (Leucojum aestivum) is a flower that grows well in UK gardens. Like giant snowdrops but flower later (April-May). 'Gravetye Giant' is the best cultivar. This guide covers when and how to sow Summer Snowflake, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Summer Snowflake
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep Plant | Oct | Nov | Dec |
Soil, position & care
- Soil
- Free-draining soil; bulbs rot in waterlogged ground
- Soil pH
- 6.0–7.5
- Position
- Sun to dappled shade; many naturalise under deciduous trees
- Sowing depth
- 2–3× the bulb height deep
- Spacing
- 2–3 bulb-widths apart
- Sowing
- Plant dormant bulbs in autumn (tulips best in November)
- Growing
- Little care needed; feed after flowering if naturalising
- Harvest & upkeep
- Let foliage die back naturally — do not tie or cut for 6 weeks after flowering
- Watch for
- Slugs on shoots; squirrels dig newly planted bulbs; narcissus bulb fly
Companion planting for Summer Snowflake
No specific companion notes for this plant.
Add Summer Snowflake to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Summer Snowflake FAQs
How much sun does Summer Snowflake need?
Summer Snowflake prefers full shade.
When should I plant Summer Snowflake in the UK?
In the UK, plant Summer Snowflake in September. Planting in this window gives the roots time to establish before the plant is asked to grow away.
Is Summer Snowflake easy to grow?
Easy — good for beginners. Like giant snowdrops but flower later (April-May). 'Gravetye Giant' is the best cultivar.