Meadow Cranesbill, Hardy Geranium
Geranium pratense 'Silver Queen'

Family: Geraniaceae (jer-ay-nee-AY-see-ee) (Info)
Genus: Geranium (jer-AY-nee-um) (Info)
Species: pratense (pray-TEN-see) (Info)
Cultivar: Silver Queen
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Category:

Perennials

Foliage Color:

Silver/Gray

Blue-Green

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

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)

Sun Exposure:

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Blue-Violet

Violet/Lavender

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

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

Gardeners' Notes:

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Neutral

On Nov 23, 2014, coriaceous from ROSLINDALE, MA wrote:

Flowers appear white or the palest silvery blue-violet. Comes true from seed. Seed is commercially available.

In the Chicago Botanic Garden's 2004 hardy geranium evaluations, this managed a rating of "fair". It was among the least floriferous of G. pratense cultivars tested.

In Chicago, it was 18" tall and 24" wide. Perhaps it is taller in the South. This is among the species whose flowering stems can topple if unsupported and require cutting back after flowering.

Requires good drainage and regular moisture. Tolerates soils of higher pH than most hardy geraniums.

Armitage says that this species is hardy in Z5-7 in eastern N. America.