Photo by Melody

PlantFiles: Meadow Cranesbill, Hardy Geranium
Geranium pratense 'Summer Skies'

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

» View all varieties of Hardy Geraniums

4 members have or want this plant for trade.

Category:
Perennials

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:
Light Blue
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous
Silver/Gray
Blue-Green

Other details:
Average Water Needs; Water regularly; do not overwater

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:
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

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By mark
Thumbnail #1 of Geranium pratense by mark

By jamie68
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By bonniewong
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By bonniewong
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By jamie68
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By jamie68
Thumbnail #7 of Geranium pratense by jamie68

There are a total of 8 photos.
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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral coriaceous On Oct 18, 2014, coriaceous from ROSLINDALE, MA wrote:

The flower color is mauve-pink, which isn't much like the summer skies I know.

This is probably a hybrid between G. pratense and G. himalayense 'Plenum', according to Paghat's Garden. Paghat strongly recommends G. himalayense 'Plenum' as the superior garden plant, both because it's less inclined to lodge and need support, and also because it has cleaner and tidier foliage.

"Summer Skies" here is the US proprietary trade name owned by Blooms of Bressingham. The cultivar name is 'Gernic'. This has created considerable confusion with another hardy geranium, G. pyrenaicum 'Summer Skies', which is single and fertile.

US PP # 10695 November 1998.

Positive bonniewong On Jan 3, 2006, bonniewong from edmonton
Canada wrote:

The first year bloom was really disappointing, but year two made up for it. It had so many buds and blooms, and although the flowers are really small, they make up for it in quality.They are a really different color, cute double forms unlike any other geranium. Watch for flopping and powdery mildew, do not water foliage at all, only at the base of the plant.

Positive jamie68 On Jul 17, 2005, jamie68 from Vancouver, WA (Zone 8b) wrote:

This is a really pretty, and uncommon Hardy Geranium! It is a bit slower to establish than some, but the unique, double flowers are well worth the extra time!!!!

Regional...

This plant has been said to grow in the following regions:

Belton, Missouri
Wilkes Barre, Pennsylvania
Vancouver, Washington



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