Common Names: Island Tree Poppy
syn. Dendromecon rigida subsp. harfordii
Type: Evergreen shrub
Size: 6 to 18 ft. high and wide.
Flowers: Flowers 2-3 in. wide, bright sulfur yellow, spring to summer and some rest of year; leaves deep blue-green, 3-5 in. long.
Uses: Slopes, roadsides, color accent, background, screen. Tolerates salt spray, wind, heat. Fire resistive.
Wildlife: Provides habitat. Deer resistant.
Soil: Must be well-drained; prefers sandy soil. Plant in raised container or on slope in heavier soil.
Water: None once established.
Sun: Full sun.
Pruning: Very lightly thin and/or shape after bloom to keep neat. Does not respond well to severe pruning.
Pests & Diseases: (None found.)
Notes: Native to Santa Cruz and Santa Rosa islands off coast as well as Baja California. Part of chaparral plant community on slopes, bluffs, and canyons. Propagates by slow-germinating seeds. Hardy to 10° F.