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Geranium nodosum - Knotted cranesbill

Geranium nodosum
Knotted Crane's-bill, Hardy Geranium

57 reviews
4,6/5
43 reviews
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Plants in good condition. Carefully packaged. Satisfied.

Yvon, 05/09/2024

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This plant carries a 12 months recovery warranty

More information

Value-for-money
Geranium nodosum, a shade-loving perennial with abundant lavender-blue flowers streaked with purple.
Flower size
3 cm
Height at maturity
50 cm
Spread at maturity
40 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Recommended planting time February to May, September to November
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Flowering time May to September
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Description

The Nodose Perennial Geranium is an excellent shade geranium. Native to European forests, it is very cold-resistant and grows in the shade of large trees. This perennial geranium reaches a height of 50 cm (20in). On long, stiff and knotty stems (which earned it the nickname "knotty geranium"), lavender blue flowers streaked with dark violet bloom. The flower measures about 3cm (1in) in diameter.

This Geranium has abundant spring flowering that lasts until early autumn. Its palmate leaves, very characteristic, are tender green, highly glossy and bossed, typical of plants adapted to the low light of the undergrowth.

It generously self-sows and colonizes shaded areas of the garden. It can be cultivated on slopes in isolation or in shade beds with heucheras, Hakonechloa, Ophiopogon, astrantias or lysimachias.

Geranium nodosum - Knotted cranesbill in pictures

Geranium nodosum - Knotted cranesbill (Flowering) Flowering
Geranium nodosum - Knotted cranesbill (Foliage) Foliage
Geranium nodosum - Knotted cranesbill (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time May to September
Flower size 3 cm

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Plant habit

Height at maturity 50 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Geranium

Species

nodosum

Family

Geraniaceae

Other common names

Knotted Crane's-bill, Hardy Geranium

Origin

Eastern Europe

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Planting and care

Place the Geranium nodosum in the shade or semi-shade in preferably cool but draining soil. To plant your pot, dig the soil to a depth of 20 cm cubed, crumbling the soil well and placing a soil improver such as blood, fish and blood at the bottom of the planting hole. After removing the plant from its pot, cover the top of the root ball with 3 cm of soil, fill the hole and water thoroughly to remove any air pockets. In dry weather, water regularly for a few weeks to help the root ball take hold.

Planting period

Recommended planting time February to May, September to November

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Border, Edge of border, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Planting density 5 per m2
Exposure Partial shade, Shade
Soil pH Neutral
Soil type Clayey (heavy), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, rich in humus

Care

Pruning instructions After flowering, it is a good idea to cut back the stems and leaves to ground level to avoid over-sowing and to obtain new foliage and encourage a second flowering.
Pruning Pruning recommended once a year
Pruning time July to August
Overwinter Can be left in the ground
4,6/5

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