Geranium wallichianum 'Rosetta'

RHS Plant Profile

Wallich cranesbill 'Rosetta'

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Herbaceous Perennial

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A reasonably compact, deciduous, mound-forming, herbaceous perennial, with green, deeply-lobed foliage, marbled with paler green, on somewhat lax stems to 45cm (18in) high and 60cm (24in) across. In summer, saucer-shaped, pink flowers with a paler eye and dark purple veins, appear in profusion above the foliage.

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun 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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Geraniaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming, Trailing
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 apart from waterlogged soils. For best growth and flowering, plant 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

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

Pruning

Remove spent flowered stems and old leaves to encourage the production of fresh leaves and flowers. Remove old, dead foliage in spring before growth commences

Pests

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

Diseases

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