Seed Savers - Black-Eyed Susan

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05/25/2023 14:30:15
(Rudbeckia hirta) Best known of all the prairie flowers and the easiest to grow. A single plant can produce hundreds of blooms over the summer and into the fall. Excellent cut flower with 6-10 days of vase life. Plants grow 2-3'. Self-seeding biennial or hardy annual. Hardy to zone 3.