Black Eyed Susan, Coneflower (Rudbeckia fulgida)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Black Eyed Susan, Coneflower
Rudbeckia fulgida

Rudbeckia 'Goldsturm'
Rudbeckia 'Goldsturm'
 
Features
Dependable, long blooming perennial providing daisy-like black-eyed Susan blooms on plants that tolerant the toughest conditions.  
 
Culture

Well-drained soil in full sun location 
 
Cultivars

'Goldsturm' 2-3 feet tall, yellow flowers

'Viette's Little Suzy' 10-14 inches tall, yellow flowers

 
 
Mature Height
2-3 Feet
 
Size
Medium
 
 
USDA Hardiness Zone
3 - 9 
 
Bloom Color
Orange
Yellow
 
 
Bloom Season
July - October
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Foliage Color
Green
 
 
Pests and Problems

Bacterial Disease

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Pseudomona leaf spot, powdery mildew, xanthomonas, cercospora leaf spot, botyris, aphids
 
Additional Notes
Dependable perennial that will reseed. Needs division every 3-4 years in order to keep vigorous and keep from spreading. Attracts birds, and butterflies. Reportedly deer resistant. Other species to also consider include R. nitida 'Herbstsonne' very tall (6'-8') and dramatic with yellow flowers. R. maxima very tall (6'-8') striking blue foliage and large yellow flowers. Rudbekia hirta is the annual species of black eyed susan sold under a variety of cultivar names.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic