Cranesbill, Hardy Geranium (Geranium sp. )-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Cranesbill, Hardy Geranium
Geranium sp.

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Features
A very diverse group of plants consisting of numerous species and offering a dependable plant in the border or as a groundcover in the rock garden.  
 
Culture
Full to partial shade in a moist well-drained soil.  
 
Cultivars

Numerous cultivars available. Some include:

'Brookside' 18-24 inches tall, blue flowers, excellent fall foliage color

'Johnsons Blue' 18-24 inches tall, blue flowers

'Rozanne' 18-24 inches tall, large suacer shaped violet flowers

'Springtime' 18-24 inches tall, clump forming, purple flowers

'Wargrave Pink' 15-18 inches tall, salmon pink flowers

 
 
Mature Height
18-24 Inches
 
Size
Medium
 
 
USDA Hardiness Zone
5 - 8 
 
Bloom Color
Blue
Pink
Purple
Red
White
 
 
Bloom Season
May - October
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Foliage Color
Green
 
 
Pests and Problems

Bacterial Disease

Environmental Damage


Additional pests and problems that may affect this plant:

Xanthomonas, downy mildew
 
Additional Notes
Large group of plants offering many cultivars useful for groundcovers and border plants. Good drainage is important for long term survivability. Deadhead for some repeat bloom. Don't plant too deep to avoid crown rot problems.

 

 
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Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
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U of IL - Plant Clinic