Geranium Species, Black Widow, Dusky Cranesbill, Hardy Geranium, Mourning Widow
Geraniumphaeum

Family: Geraniaceae (jer-ay-nee-AY-see-ee)
Genus: Geranium (jer-AY-nee-um)
Species: phaeum (FAY-um)

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun
Sun to Partial Shade
Light Shade
Partial to Full Shade

Foliage

Herbaceous

Foliage Color

Unknown

Height

24-36 in. (60-90 cm)

Spacing

18-24 in. (45-60 cm)
24-36 in. (60-90 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)

Where to Grow

Unknown

Danger

N/A

Bloom Color

Dark Purple/Black
Maroon/Burgundy

Bloom Characteristics

This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer

Other details

Unknown

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)

Patent Information

Non-patented

Propagation Methods

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

Seed Collecting

Bag seedheads to capture ripening seed
Properly cleaned, seed can be successfully stored