Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Green | |||
|---|---|---|---|---|
| Summer | Yellow | Blue Green | ||
| Autumn | Yellow | Blue Green | ||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Papaveraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Hunnemannia are perennials, often grown as annuals, with deeply divided leaves and showy, poppy-like flowers in summer and early autumn
- Name status
Accepted
How to grow
Cultivation
Outdoors grow in moderately fertile, well-drained soil in full sun. Grow at the base of a warm, sunny wall, or in a herbaceous or mixed border. Can be grown in a temperate greenhouse or conservatory for winter flowers
Propagation
Propagate by seed in early spring in situ. For winter-flowering container plants, sow seed at 13-16°C (55-61°F) in autumn in peat-free, loam-based potting compost
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
Pruning
No pruning required
Pests
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.