How to grow Snapdragon in the UK
Antirrhinum majus
Snapdragon (Antirrhinum majus) is a flower that grows well in UK gardens. Tall varieties for cutting; dwarf for bedding. Often overwinters in mild gardens. This guide covers when and how to sow Snapdragon, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Snapdragon
Sowing and harvest window through the year (UK):
Jan | Feb Sow | Mar | Apr | May Plant | Jun | Jul | Aug | Sep | 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 Snapdragon
No specific companion notes for this plant.
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Snapdragon FAQs
When should I sow Snapdragon in the UK?
In the UK, sow Snapdragon in February. Sowing across these months gives the plant the right soil temperature and day length to establish well.
How much sun does Snapdragon need?
Snapdragon prefers full sun (6+ hrs direct).
Is Snapdragon easy to grow?
Easy — good for beginners. Tall varieties for cutting; dwarf for bedding. Often overwinters in mild gardens.