How to grow Iceland Poppy in the UK
Papaver nudicaule
Iceland Poppy (Papaver nudicaule) is a flower that grows well in UK gardens. Treat as biennial for biggest plants — sow autumn, flower next summer. Sear stems for cutting. This guide covers when and how to sow Iceland Poppy, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Iceland Poppy
Sowing and harvest window through the year (UK):
Jan | Feb | Mar Plant | Apr | May | Jun | Jul | Aug | Sep Sow | Oct | Nov | Dec |
Soil, position & care
- Soil
- Any reasonable, moisture-retentive but free-draining soil
- Soil pH
- 6.0–7.5
- Position
- Full sun for most; some tolerate light shade
- Sowing depth
- Surface to 1 cm (check light requirement)
- Spacing
- 15–30 cm apart
- Sowing
- Sow under cover late winter–spring, or direct after the last frost
- Growing
- Water regularly; pinch tips for bushier plants
- Harvest & upkeep
- Deadhead often to prolong flowering
- Watch for
- Slugs and snails on seedlings; aphids on soft growth
Companion planting for Iceland Poppy
No specific companion notes for this plant.
Add Iceland Poppy to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Iceland Poppy FAQs
When should I sow Iceland Poppy in the UK?
In the UK, sow Iceland Poppy in September. Sowing across these months gives the plant the right soil temperature and day length to establish well.
How much sun does Iceland Poppy need?
Iceland Poppy prefers full sun (6+ hrs direct).
Is Iceland Poppy easy to grow?
Easy — good for beginners. Treat as biennial for biggest plants — sow autumn, flower next summer. Sear stems for cutting.