Photo by Melody

PlantFiles: Himalayan Geranium, Lilac Cranesbill
Geranium 'Birch Double'

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Family: Geraniaceae (jer-ay-nee-AY-see-ee) (Info)
Genus: Geranium (jer-AY-nee-um) (Info)
Cultivar: Birch Double
Additional cultivar information: (aka Plenum)

Synonym:Geranium himalayense

» View all varieties of Hardy Geraniums

One vendor has this plant for sale.

25 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

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

Hardiness:
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)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Violet/Lavender

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

Foliage:
Grown for foliage
Herbaceous
Good Fall Color

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer

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
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds

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By Galanthophile
Thumbnail #1 of Geranium  by Galanthophile

By bootandall
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By growin
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Thumbnail #5 of Geranium  by green76thumb

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There are a total of 8 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive bonniewong On Oct 1, 2005, bonniewong from edmonton
Canada wrote:

This is one of my favorite hardy geraniums, beautiful sterile purple double flowers, spreads slowly by underground rhizomes. This is perfect for the front of the border, it keeps it's shape with no flopping over. A beautiful cranesbill.

Regional...

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

Freehold, New Jersey
Pembina, North Dakota
Custer, South Dakota
Lexington, Virginia
Radford, Virginia



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