Scientific Name: Rudbeckia fulgida
Common Name: black-eyed Susan
Family Name: Asteraceae
Origin: U.S. - northeast
Hardiness Zone: Zone 4: (-34 to -29 °C)
Plant Type: Biennial, Herbaceous perennial
Mature Size: 0.7 - 1.3m x 0.6 - 1.0m (height x width)
Habit: Stiffly upright
Form: Oval - vertical
Texture: Medium - coarse
Landscape Uses: Accent plant, Attract beneficial insects, Attract butterflies, Cut flower or foliage, Ground cover, Group or mass planting, Medicinal plant, Perennial border, Summer interest, Waterside planting
Exposure: Full sun, Part sun/part shade
Soil or Media: Rocky or gravelly or dry, Well-drained
Leaves: Simple, Alternate, Basal, Leathery, Pinnate venation, Pubescent, Distinctive smell, Lanceolate, Ovate, Crenate, Dentate, Entire, Serrate
Flowers: Head (capitulum), Yellow, Brown, Jul-Aug-Sep-Oct
Fruit: Achene, Brown, Black
Key ID Features:
Stems slightly hairy; leaves basal and then alternate on the flowering stem, ovate-lanceolate, most blades 10-15cm long x 5-10cm wide, pubescent, dark green, margin usually crenate-dentate, petiole of basal leaves often much longer than the blade; flower heads ~10cm wide, most cvs. with 8-21 yellow ray florets, and a flattish cone of black disk florets.