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Annual Sunflower


Synonyms: Common Sunflower | Mirasol A robust annual that produces cheery yellow flowers, 2-4 inches across with purplish-brown centers. Has allelopathic properties. Distributed throughout U.S., southern Canada and northern Mexico; abundant in roadsides, waste places and other open sites. Best in full sun, dry soils; highly adaptable, produces seeds that attracts seed-eaters.