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Scientific Name:
Rudbeckia fulgida
Pronunciation:
rud-BECK-ee-uh FULL-jih-duh
Common Name:
black-eyed Susan
Family Name:
Asteraceae
Plant Type:
Biennial, Herbaceous perennial
Key ID Features:
Stems slightly hairy; leaves covered in slight hairs, dark green, crenate, basal or on the floral stalk; heads with a flattish cone of black disk florets and long yellow ray florets.

Habit:
Stiffly upright
Form:
Oval - vertical
Texture:
Medium - coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
U.S. - northeast
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Moderate
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
Additional Info:
Google. Cultivars shown or on campus may include R. 'Goldsturm'

Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Leathery, Pinnate venation
Surfaces:
Tomentose, Distinctive smell
Colour in Fall:
Yellow
Shapes:
Lanceolate, Ovate
Apices:
Acuminate
Bases:
Attenuate, Cordate, Obtuse
Margins:
Dentate

Inflorescence Type:
Head (capitulum)
Flower Morphology:
Flowers perfect
Corolla Shape:
Ligulate
Ovary Position:
Inferior
Colour (petals):
Showy, Yellow, Brown
Flower Scent:
Fragrant
Flower Time at Peak:
Aug, Sep, Oct, Nov
Additional Info:
blooms in second year when grown from seed

Fruit Type:
Achene
Fruit Colour:
Brown, Black
Fruiting Time:

Bark or Stem Colour:
Red
Organ Modifications:
Rhizomes
Propagation:
Seed, Softwood cuttings, Division - below ground parts
Maintenance:
Medium
Pest Susceptibility:
Rust, Slugs or snails (Deer resistant, Drought tolerant)

Course(s):
  • CLT Training
  • HORT 1155
  • Level 3 Apprenticeship
Location(s):
  • (AGB)  Acer Griseum Bed
  • (BUG)  BUG garden
  • (CGW)  Community Garden West
  • (GRB)  GRass Bed : cv. Goldstrum
  • (ONE)  Overpass North side East : by overpass railing
Location Map