Geranium, Double Meadow Cranesbill, Hardy Geranium
Geraniumpratense 'Plenum Violaceum'

Family: Geraniaceae (jer-ay-nee-AY-see-ee)
Genus: Geranium (jer-AY-nee-um)
Species: pratense (pray-TEN-see)
Cultivar: Plenum Violaceum

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Sun to Partial Shade

Foliage

Herbaceous

Foliage Color

Bronze
Blue-Green

Height

24-36 in. (60-90 cm)

Spacing

18-24 in. (45-60 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

Blue-Violet
Lavender

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

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)
7.9 to 8.5 (alkaline)

Patent Information

Non-patented

Propagation Methods

By dividing the rootball
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting

Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds