Wormwood (Artemisia x 'Powis Castle')-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Wormwood
Artemisia x 'Powis Castle'

 
Features
Dramatic mound shaped plant grown for its very fine textured silver to almost white foliage. Flowers are insignificant. 
 
Culture
Needs very well-drained soil in full sun location. 
 
Cultivars
 
 
Mature Height
2-3 Feet
 
Size
Tall
 
 
USDA Hardiness Zone
5 - 9 
 
Bloom Color
Not of Interest
Yellow
 
 
Bloom Season
June - June
 
Soil Conditions
Dry
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Foliage Color
Silver/White
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

None serious

Hardiness can be an issue.

 
Additional Notes
Dramatic specimen plant. Needs very well-drained soils. May have hardiness issues so placing the plant where it gets some winter protection is helpful and making sure it has very good drainage during the winter. Cutting back occasionally helps to maintain form and size. Grown for its foliage.

 

 
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