Stokes Aster (Stokesia laevis)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Stokes Aster
Stokesia laevis

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Features
Large decorative highly fringed flowers appear above a neat mound of foliage.  
 
Culture
Moist well-drained soil in a full sun location 
 
Cultivars

'Blue Danube' 12-18 inches tall, blue flowers with white centers

'Honeyray Purple' 12-14 inches tall, purple flowers

'Colorwheel' 15-18 inches tall, flowers change color through the day from white to lavender

'Mary Gregory' 12-18 inches tall, soft yellow flowers

'Klaus Jeletto' 12-18 inches tall, large blue flowers

 
 
Mature Height
1-2 Feet
 
Size
Medium
 
 
USDA Hardiness Zone
5 - 9 
 
Bloom Color
Blue
Lavender
Purple
White
 
 
Bloom Season
July - September
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Foliage Color
Green
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

None serious
 
Additional Notes
Needs very good drainage especially over the winter. Deadhead to prolong bloom period. Drought tolerant once established. Attracts butterflies.

 

 
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