Geraniaceae
Woolly geranium
Geranium erianthum
Also known as hairy geranium, Geranium erianthum var. elatum, woolly cranesbill, Geranium pratense var. erianthum
Flowering Plants · Native Plants · Geranium · Wildflower · Native · Shade Garden · Blue Flowers · Woodland · Perennial · Pollinator · Alaska Native · Cool Climate
Woolly geranium is a hardy northern wildflower that produces attractive violet-blue blooms throughout summer and thrives in cool, moist conditions with partial shade. It prefers rich, well-draining soil and consistent moisture, making it a wonderful addition to shade gardens, woodland borders, or native plant landscapes. Deadhead spent flowers to prolong blooming and divide clumps every few years to maintain vigor.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water until soil is evenly moist, then allow the top inch to dry slightly before the next watering · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 4–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, Aleutian Is., Amur, British Columbia, Chita, Japan, Kamchatka, Khabarovsk, Kuril Is., Magadan, Manchuria, Primorye, Sakhalin, Yakutskiya, Yukon
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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