Romneya coulteri 'White Cloud'
Californian tree poppy 'White Cloud'
A vigorous suckering woody-based perennial with bright, glaucous grey-green, pinnately lobed leaves and cup-shaped pure white flowers 12cm across, with conspicuous deep yellow stamens, over a long period in summer
Synonyms
Romneya 'White Cloud'Romneya × hybrida 'White Cloud'
see moreRomneya × hybrida hort.
Romneya × vandedenii
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Yellow White | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Papaveraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Romneya are suckering subshrubs with pinnately lobed leaves and large white flowers in summer
- Name status
Accepted
How to grow
Cultivation
Grow against a warm, sunny wall protected from cold winds. Mulch deeply prior to winter. They dislike transplanting
Propagation
Propagate by basal cuttings in spring, or root cuttings in winter
Suggested planting locations and garden types
- City and courtyard gardens
- Mediterranean climate plants
- Coastal
- Cottage and informal garden
- Low Maintenance
- Flower borders and beds
- Wall side borders
Pruning
Pests
Caterpillars may be a problem
Diseases
Powdery mildews may be a problem
Get involved
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