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Californian tree poppy | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

Californian tree poppy

Romneya coulteri

★ RHS AGMDrought Resistant

Genus: Romneya
Family: Papaveraceae
Common Names: bush poppy, Californian poppy, canyon poppy, dream of the desert, giant white Californian poppy, Matilija poppy

About this plant

R. coulteri is a vigorous, suckering herbaceous perennial to 2m in height, with divided, grey-green leaves and poppy-like flowers 15cm in width, with crinkled, pure white petals and a boss of deep yellow stamens

Growing Information

Height

1.5-2.5 Metres

Spread

1-1.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

LoamSandy

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow against a warm, sunny wall protected from cold winds. Mulch deeply prior to winter. They dislike transplanting but once established it can spread, so site with care

Pruning

Pruning group 6

Propagation

Propagate by basal cuttings in spring, root cuttings in winter or propagate by seed sown in spring at 13°C to 16°C

Pests

Caterpillars may be a problem

Diseases

Powdery mildews may be a problem

Garden Uses

Uses

Ground CoverLow Maintenance

Planting Places

Wall Trained

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

1.5-2.5 Metres

Spread

1-1.5 Metres

Habit

Suckering

Time to Full Height

Ten To Twenty Years