Large flowers consisting of brassy orange-yellow rays surrounding brown cones are what make this plant so popular. It blooms for 7 or 8 weeks beginning in midsummer. The flowers top 18- to 30-inch-tall plants that will readily self sow in cultivated soils.
Noteworthy CharacteristicsRudbeckias hail from the moist meadows and dappled woods of North America. They are suitable for mixed borders, meadows, native gardens, open woods, and large annual displays.
CareGrow in average, slightly heavy but well-drained soil in full sun to partial shade.
PropagationSow seeds in a cold frame in early spring, or divide plants in spring or fall.
ProblemsAphids, powdery mildew, smut, rust, Ramularia and Septoria leaf spots, snails, slugs.
- Genus : Rudbeckia
- Plant Height : 1 to 3 feet
- Plant Width : 1 to 3 feet
- Zones : 3, 4, 5, 6, 7, 8, 9
- Growth Rate : Fast
- Light : Full Sun to Partial Shade
- Maintenance : Low
- Moisture : Medium Moisture
- Plant Type : Perennials
- Characteristics : Self Seeds, Showy Seed Heads
- Bloom Time : Summer
- Plant Seasonal Interest : Summer Interest
- Flower Color : Yellow