Romneya coulteri
A vigorous, suckering perennial of upright habit with grey-green leaves and growing to 1.5m in height. It produces white, crinkled, poppy-like flowers in summer with golden yellow stamens.
Information Only
- Aspect: South-facing, West-facing
- Exposure: Sheltered
- Family: Papaveraceae
- Flower Colour : White, Cream
- Flower Season: Summer
- Foliage: Deciduous
- Habit : Suckering
- Hardiness : H5 (Hardy in most places throughout the UK even in severe winters) -15 to -10C
- Moisture: Moist but well-drained, Well-drained
- pH: Acid, Alkaline, Neutral
- Season of Interest : Summer
- Soil: Loam, Sand
- Sunlight: Full Sun
- Tags: Award of Garden Merit
- Height & Width: 150cm x 250cm
Romneya coulteri
Californian tree poppy
bush poppy
Californian poppy
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As of 1st July 2026, we will no longer be offering a mail order service. Orders received up to 30th June will be dispatched within 7-10 working days.
Our aim is to put more focus into our plant centre.
We can still help with sourcing plants for collection from our Langport plant centre. Simply email us your plant lists to [email protected] and we will contact you with prices and availability.
A vigorous, suckering perennial of upright habit with grey-green leaves and growing to 1.5m in height. It produces white, crinkled, poppy-like flowers in summer with golden yellow stamens.
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