Geranium Species, Cranesbill, Hardy Geranium, Knotted Cranesbill, Pyrenees Geranium
Geraniumnodosum

Family: Geraniaceae (jer-ay-nee-AY-see-ee)
Genus: Geranium (jer-AY-nee-um)
Species: nodosum (nod-OH-sum)

Synonym:Geranium eugeniae

Synonym:Geranium nodosum subsp. eugeniae

Synonym:Geranium nodosum var. freyeri

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Light Shade
Partial to Full Shade

Foliage
Herbaceous
Textured

Foliage Color

Height
12-18 in. (30-45 cm)

Spacing
12-15 in. (30-38 cm)

Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger
N/A

Bloom Color
Lavender

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored