This rudbeckia is one of the most outstanding plants to have in the border. Can be grown as a short lived perennial or an annual, Sonora sports huge 5-6 inch deep yellow flowers centered with a mahogany ring and dotted with a chocolate cone. Compact plants reach only 18-24 inches tall and wide and supply weeks of eye-catching blooms from early summer to frost. Ideal for cutting and attracting pollinators to the garden. Easy to grow in full sun and well drained soil, Sonora will self sow so it can remain the star in your border.
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Sow on the surface of moist potting mix, pressing seed into mix. Do not cover. Keep at 68- 72 F. and bright light.Transplant when 2 sets of leavesappear. Space 12-24 inches apart in full to part sun. Germinates in 7-10 days.