This is the undisputed king of California wildflowers. Its lustrous orange-yellow petals open in the sun and close at night. With finely divided silvery foliage it thrives in poor, sandy or stony soils and loves the hot and dry. Self-seeds freely but easy to control. HÂ30-40 cm. Perennial - Plant in: Full Sun. Dry. -Flowers In:Spring-Summer. 640 sds/gm