Photo by Melody

PlantFiles: Cranesbill, Bigroot Geranium, Bulgarian Geranium, Rock Crane's-bill
Geranium macrorrhizum 'Spessart'

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Family: Geraniaceae (jer-ay-nee-AY-see-ee) (Info)
Genus: Geranium (jer-AY-nee-um) (Info)
Species: macrorrhizum (mak-roh-RY-zum) (Info)
Cultivar: Spessart

» View all varieties of Hardy Geraniums

One vendor has this plant for sale.

4 members have or want this plant for trade.

Category:
Perennials

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

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 3b: to -37.2 C (-35 F)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Herbaceous
Aromatic

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

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:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By mygardens
Thumbnail #1 of Geranium macrorrhizum by mygardens

By Wintermoor
Thumbnail #2 of Geranium macrorrhizum by Wintermoor

By Wintermoor
Thumbnail #3 of Geranium macrorrhizum by Wintermoor

By mygardens
Thumbnail #4 of Geranium macrorrhizum by mygardens

By mygardens
Thumbnail #5 of Geranium macrorrhizum by mygardens

By altagardener
Thumbnail #6 of Geranium macrorrhizum by altagardener

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Wintermoor On May 6, 2002, Wintermoor from Jesteburg-Wiedenhof
Germany (Zone 8a) wrote:

This plant is extremely easy to grow, in fact one doesn't need any experience at all as a gardener to grow this one.
The earth in which I have planted it is in fact an old World War 2 bomb site, where a building stood, and was a parking place for over 30 years. Some of the earth was even oil soaked when I planted the Geranium, and it still grew.
The blooms are white, and the stamens are white from the flower to pale red at the end.
Dogs do not like the smell of this plant, and will give it a wide berth.

Regional...

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

,
Croton-on-hudson, New York
Midwest City, Oklahoma



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