Rudbeckia hirta (Black Eyed Susan)
A classic carefree perennial hardy in USDA zones 5-9. Indian Summer has multiple stems of sturdy big blossoms with golden-yellow rays surrounding dark chocolate centers. Plants bloom hard all season. Butterflies and pollinators love these happy flowers. Great for bouquets.
Light | Full sun |
Bloom time | All season |
Plant spacing | 12 inches |
Planting depth | Barely cover |
Days to germination | 10-15 |
Plant height | 3-4 feet |
Gardener’s Notes: In spring, 6 weeks before last frost date, sow seeds 1 inch apart in seed starting mix. Cover very lightly, keep warm and moist, and provide strong light source. When well established, transplant seedlings 3 inches apart into individual pots so root systems can develop. When weather is warm and settled, and seedlings are 3-4 inches tall, plant in the garden in well-drained, good soil, 12-18 inches apart. Protect young plants from slugs and snails. Spent flowers will drop seed to self sow readily.