Geranium, Dusky Cranesbill, Hardy Geranium, Mourning Widow 'Samobor'

Geraniumphaeum

Family
Geraniaceae (jer-ay-nee-AY-see-ee)
Genus
Geranium (jer-AY-nee-um)
Species
phaeum (FAY-um)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Grown for foliage
Evergreen
Herbaceous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
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)
Danger
N/A
Bloom Color
Maroon/Burgundy
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Burgundy/Maroon
Dark/Black
Orange/Apricot
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Seed Collecting
Bag seedheads to capture ripening seed
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Cornwall Bridge, Connecticut

Farmington, Connecticut

Buford, Georgia

Saint Charles, Illinois

Des Moines, Iowa

Jamaica Plain, Massachusetts

Albion, Michigan

Paris, Michigan

Dover, New Hampshire

Glouster, Ohio

WALTERVILLE, Oregon

Lewisburg, Pennsylvania

Wilkes Barre, Pennsylvania

Lexington, Virginia

Richmond, Virginia

Concrete, Washington

Kalama, Washington

Port Angeles, Washington

Port Angeles East, Washington

Spokane, Washington

Fairmont, West Virginia

Madison, Wisconsin

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Gardener's Notes:

5
positives
2
neutrals
0
negative
Sort By:
Sort By:
S
S
sj7
Marlborough, MA | February 2020 | neutral

I grew this plant when I lived in Michigan, and it was rather too successful. It reseeded itself VERY prolifically and began to take over...Read More

A
| May 2016 | positive

Mourning Widow Cranesbill is an intriguing hardy geranium, especially suitable for a woodland edge garden. The plant does set seed though...Read More

L
L
Fairmont, WV | May 2011 | positive

i received this plant from a friend a few years ago. It is a tough little plant. It survived a long 8 hour trip back to my home and a few...Read More

G
(Zone 3b) | August 2010 | positive

This is a lovely early-flowering plant. While the flowers are not very showy, they do seem to last a fairly long time (several weeks). It...Read More

Z
Central, PA (Zone 6a) | May 2009 | neutral

This is a very unusual plant. The leaves are lovely, as photos here show, and the flowers are a very interesting texture and color. In my...Read More

N
West Chazy, NY (Zone 4b) | March 2005 | positive

The blossoms are very dark purple and held well above the foliage.
The plants can be divided easily for a nice large grouping whic...Read More

M
Richmond, VA (Zone 7a) | August 2003 | positive

You can get one or two repeat flowerings if you shear the plant back after the first bloom. I can usually get two or three flushes of blo...Read More

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