Grindelia stricta var. platyphylla - Gumweed

Evergreen perennial to 1 ft tall by 3 ft wide or more. Large, yellow daisy flowers rise above the foliage. Deadhead to encourage year-round bloom. Great for a butterfly or bird garden. Does well in containers. Thrives in seaside conditions. Full sun on the coast, part shade inland. Moderate water. Spreads rapidly in sandy soils, tolerates clay soils. Hardy to 30º F