Colony-forming, herbaceous perennials with several species providing important habitat and larval food sources for the monarch butterfly while attracting a diverse array of insects.

California milkweeds go dormant during the colder months. Stems that emerge in April or May bear clusters of small, star-like flowers in summer followed by silky-tailed seeds that are dispersed by wind. Choose a California native species to best support local monarch populations and provide a food source for their larvae.

A. fascicularis (narrow-leaved milkweed, 1-3’) has clusters of lavender or pinkish white flowers; A. speciosa (showy milkweed, 2-4’) has larger, soft foliage, and showier flower clusters; A. cordifolia (heart leaf milkweed, 1-2′) has bluish green heart-shaped leaves, and creamy white and purple flowers.