Black-Eyed Susan
(Coneflower, Gloriosa Daisy)
Rudbeckia hirta. ASTERACEAE (COMPOSITAE).
Planting and Growing Black-Eyed Susan
You’ll find everything you need to know to plant and grow black-eyed Susan in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of black-eyed Susan
- Plant hardiness and growing conditions for black-eyed Susan
- Season of bloom and planting time for black-eyed Susan
- When, how deep, and where to plant black-eyed Susan
- How to plant black-eyed Susan
- Watering, fertilizing, care, and pests or diseases of black-eyed Susan
- Landscape and container uses of black-eyed Susan
- Comments about black-eyed Susan and its features
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Growing Black-Eyed Susan
Many cultivars of tall, upright, branching, annual, biennial, or short-lived perennial herbs, 2–3 ft. (60–90 cm) tall. Textured, hairy, green, lance-shaped leaves, to 4 in. (10 cm) long.
See also Purple Coneflower, (Echinacea purpurea), a related perennial species with similar care needs. Rose Coneflower (Isopogon formosus) is an unrelated flowering shrub species.
Planting and Care Guide
Blooms
Showy, solitary, orange-yellow blend, daisylike flowers, 2–4 in. (50–100 mm) wide, with brown, purple, cone-shaped centers, in summer–autumn.
Best Climates
Planted as annual in all zones; ground hardy, zones 3–10.
Soil Type and Fertility
Moist, well-drained soil. Fertility: Average. 6.0–7.5 pH.
Where and How to Plant
Spring in full sun to partial shade, 1 ft. (30 cm) apart. Sow seed of biennial cultivars for flowers the following season or plant nursery containers.
Proper Care
Easy. Keep moist; allow soil surface to dry between waterings. Deadhead spent flowers. Divide perennials when crowded. Propagate by cuttings, division, seed.
About This Plant
Good choice for accents, backgrounds, borders, fencelines, massed plantings in cottage, meadow, wildlife gardens. Good for cutting. Attracts birds, butterflies. Pest and disease resistant.