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Herbaceous Perennial

Geranium × oxonianum f. thurstonianum 'Southcombe Double' (d)

Thurston's cranesbill 'Southcombe Double'

'Southcombe Double' is a herbaceous perennial, to around 35cm, with light green, five-lobed leaves. The pink flowers, produced from late spring to early autumn, have divided petals and petaloid stamens, giving a semi-double effect

Synonyms

Geranium 'Southcombe Double'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or North–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: Deciduous
Habit: Bushy
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 any moderately fertile soil that is not waterlogged, in full sun or partial shade

Propagation

Propagate by division in spring or take basal cuttings in early to mid spring and root with bottom heat

Suggested planting locations and garden types

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

Pruning

Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers

Pests

May be susceptible to vine weevil, capsid bug and sawflies

Diseases

May be susceptible to downy mildew and powdery mildew

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