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Annual Biennial
Platystemon californicus
cream cups
A variable species of annual, to around 30cm high, with a branching, spreading habit and linear to lance-shaped, hairy grey-green leaves. Solitary, poppy-like, cream or pale yellow flowers, sometimes with golden yellow markings on the petals, are produced on slender stems in spring
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Cream Yellow | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | Green Grey Silver | |||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Papaveraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy, Spreading branched
- Name status
Unresolved
How to grow
Cultivation
Thrives in very light, well drained soil in full sun, flowering is reduced in high humidity
Propagation
Propagate by seed sown in situ in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Rock garden
- Wildflower meadow
- Flower borders and beds
Pruning
Deadhead where seed is not required
Pests
Generally pest-free
Diseases
Generally disease-free
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