Geranium 'Prelude'

RHS Plant Profile

cranesbill 'Prelude'

Herbaceous Perennial

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'Prelude' is a clump-forming herbaceous perennial, 45-90cm high, with deciduous, deeply seven-lobed green leaves, and flowers, up to 2cm across, of widely-spaced pale lilac petals with darker violet veins and pink stigmas, in early summer

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full shade Full sun Partial shade

Aspect: South–facing or North–facing or West–facing or East–facing
Exposure: 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
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 moisture-retentive but well-drained soil, preferably in light shade, but will also grow in sun or full shade

Propagation

Propagate by division in spring

Suggested planting locations and garden types

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

Pruning

No pruning required, but cutting back flowered stems and old leaves may encourage the growth of fresh leaves and flowers

Pests

Generally pest-free, but may be susceptible to capsid bug, geranium sawfly, vine weevil, slugs and snails

Diseases

Generally disease-free, but may be susceptible to a rust, downy mildews, leafy gall, and virus diseases; may also be susceptible to powdery mildews in dry conditions