Romneya coulteri var. trichocalyx

Matilija Poppy, California Tree Poppy

Family: Papaveraceae Poppy


Type Perennial
USDA Hardiness range 8A - 10A
Exposure Full sun
Bloom color White
Bloom time Late Spring to Late Summer
Water needs Dry to moist
Landscape uses Border, container, erosion control, foundation, massing, seashore, specimen
Height 36" to 8' / 90cm to 2.40m
Spread 6' to 9' / 1.80m to 2.80m
Growth rate Moderate
Persistence Deciduous, broadleaf
Bloom attributes Suitable for cut flowers, fragrant flowers
Leaf color Silvery
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy, loamy
Form Upright or erect
Attributes and features Attractive foilage, native to North America, naturalizing