Geranium 'Rozanne'
Common Name(s):
Cranesbill
Hardy geranium
Synonym:
Geranium 'Gerwat'
Cranesbill geranium
Flower:
Blue
Blooms :
May
to:
Oct
Showy, violet-blue 5 petaled flower with white center
Botanical Description
Fragrant?
NO
Family:
Geraniaceae
Herbaceous Plant, Perennial
Foliage:
Green
Deeply cut, slightly marbled, green
Fall Color?
YES
Flowers into fall if cut back after summer blooming period
Semi-Evergreen
Photo by:
Heading 6
Basal leaves remain green
Oregon Native?
NO
West State Native?
NO
Origins:
Cultivar
Site Selection
Minimum USDA Hardiness Zone:
5
Water Needs:
M
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
1-1.5'
Spread:
1-2'
Growth Rate:
Medium
Native Habitat:
Cultivar so has no native habitat
Soil:
Clay, chalk, loam, sandy
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Apply a light well balanced slow-release (10-10-10) or compost in spring
Mulch:
2-3" of compost, shredded leaves, or bark
Plant in full sun and well-drained soil, provide a balanced fertizer in spring
Long Term:
Winter:
Ensure well-drained soil, cut back to ground late winter if not done in fall
Spring:
Remove old dead foliage, apply a balanced slow-release fertilizer or compost, keep soil moist, divide if needed
Summer:
Keep soil moist, give some afternoon shade, if plant starts to sprawl it can be cut back or place on a trellos
Fall:
Cut back to ground after first frost
General Care Comments:
Thrives in moist well-drained soil, prefers full sun, cut back by about half in mid-summer, light fertilizer in spring
Common Problems
None if given proper watering and light
Diseases:
Root rot, powdery mildew, leaf spots
Insects:
Aphids, thrips,
Environmental Problems:
Too much water
Pests:
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