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Geranium, Bigroot Geranium, Bulgarian Geranium, Rock Cranesbill 'Variegatum'

Geraniummacrorrhizum

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Geranium macrorrhizum by bonniewong
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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
Synonym
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Good Fall Color
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
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)
Danger
N/A
Bloom Color
Pink
Rose/Mauve
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
Requires consistently moist soil; do not let dry out between waterings
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
Non-patented
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
Regional

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

Calistoga, California

Saint Louis, Missouri

Stanwood, Washington

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4 members have or want this plant for trade

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Gardener's Notes:

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1
positive
1
neutral
0
negative
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C
C
coriaceous
ROSLINDALE, MA | October 2014 | neutral

Less vigorous than the species.

B
B
begoniacrazii
Northern California, CA (Zone 9a) | June 2008 | positive

A sparse bloomer for me but more than makes up for it with the cream and green splashed leaves.

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