Geranium Species, Cranesbill, Hardy Geranium, Knotted Cranesbill, Pyrenees Geranium

Geraniumnodosum

Family
Geraniaceae (jer-ay-nee-AY-see-ee)
Genus
Geranium (jer-AY-nee-um)
Species
nodosum (nod-OH-sum)
Synonym
Geranium eugeniae
Geranium nodosum subsp. eugeniae
Geranium nodosum var. freyeri
Sun Exposure
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Textured
Height
12-18 in. (30-45 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
N/A
Bloom Color
Lavender
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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 the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Bellevue, Washington

Kalama, Washington

Olympia, Washington

Featured Videos

Gardener's Notes:

1
positive
2
neutrals
0
negative
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C
ROSLINDALE, MA | October 2014 | neutral

There are many other geraniums that are showier and more floriferous, but few have such a long season of bloom. In a congenial climate, t...Read More

P
(Zone 8a) | November 2004 | neutral

The shiny leaves set this hardy geranium apart from most others. They have an unusual bronzy sheen. A very useful plant for dry shade

L
| December 2002 | positive

Lovely Geranium for shade. Whilst the species nodosum is fine there are other cultivars, notably 'Svelte Lilac' and a most attractive pl...Read More

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