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Romneya coulteri

Romneya coulteri (Californian tree poppy.)

Tall, impressive plant with large, crepe-paper white flowers with central yellow 'boss'. Needs a sheltered spot, out of cold wind and winter protection. Can make up to 2m of growth in a good season. Frost-hardy.

At a glance

Common Name
Californian tree poppy.
Type
Frost-hardy perennial
Height
Over 1.2m
Colour
White
Spread Rate
Moderate
Flowering
Mid Summer
Soil Type
Normal, Drained
Aspect
Sun
Pollination
Attractive to pollinators
Awards
RHS AGM Award

Sue's Notes about Romneya coulteri (Californian tree poppy.)

Romneya tolerates temperatures down to about -5C, but is really only reliable outside in well protected town gardens or southerly counties.

 
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