Geranium, Armenian Cranesbill, Hardy Geranium 'Iwan'

Geraniumpsilostemon

Family
Geraniaceae (jer-ay-nee-AY-see-ee)
Genus
Geranium (jer-AY-nee-um)
Species
psilostemon (sigh-loh-STEE-mon)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Magenta (pink-purple)
Bloom Time
Late Spring/Early Summer
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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C
ROSLINDALE, MA | November 2014 | neutral

Flower color is lighter and not as strong as G. psilostemon. Habit is much shorter than G. psilostemon, more like its other parent G. end...Read More

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