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Herbaceous Perennial

Geranium nodosum 'Clos de Coudray'

knotted cranesbill 'Clos de Coudray'

A reasonably compact, semi-evergreen, clump-forming herbaceous perennial, retaining its foliage in all except very cold winters. Lobed glossy green foliage is produced on stems to 45cm (18in) and across along with mid purple flowers fading to a paler edge on the petals and darker purple veins. Its tolerance of dry shade once established make it a useful subject for growing beneath taller growing shrubs

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

South–facing or West–facing or East–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Geraniaceae
Native to GB / Ireland: No
Foliage: Semi evergreen or Deciduous
Habit: Clump forming
Genus: Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers
Name status: Accepted

How to grow

Cultivation

Grow in moderately fertile, well-drained soil in partial shade. The plant can tolerate dry shade once established.

Propagation

Propagate by division in spring or propagate by basal cuttings in early to mid spring and root with bottom heat. The plant can seed itself around once established but seedlings may not come true to the named cultivar.

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Wildlife gardens
Low Maintenance
Banks and slopes
Ground cover
Underplanting of roses and shrubs
Flower borders and beds

Pruning

Cut old, winter-damaged foliage back to the ground in spring

Pests

May be susceptible to vine weevil, geranium sawfly, slugs and snails

Diseases

May be susceptible to Powdery mildews, downy mildews and a virus

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