Geranium sanguineum Alan Bloom ('Bloger')

RHS Plant Profile

bloody cranesbill [Alan Bloom]

RHS

Synonyms

Geranium 'Bloger'
Pelargonium 'Bloger'
Geranium sanguineum 'Alan Bloom'

Herbaceous Perennial

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A low, bushy perennial to 30cm high that forms a spreading mound of small, deeply-lobed, dark green leaves. Saucer-shaped, bright pink, veined flowers to 3cm across are borne singly above the foliage in summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 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 North–facing or East–facing or West–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Geraniaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Matforming
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: Trade

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

Rock garden
Cottage and informal garden
Gravel garden
Patio and container plants
Wildlife gardens
Underplanting of roses and shrubs
Flower borders and beds
Ground cover

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 geranium sawfly

Diseases

May be susceptible to downy mildews and powdery mildews