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Annual Biennial

Geranium robertianum 'Album'
  • RHS Plants for pollinators

herb robert 'Album'

An annual or biennial to 25cm, forming a rosette of deeply dissected, aromatic bright green basal leaves. Large, open sprays of white to very pale pink flowers to 1cm across appear in summer and autumn. Useful for ground cover in woodland or wild shaded areas

Synonyms
Geranium robertianum f. bernettii
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green
Summer White Green
Autumn White Green Pink Red
Winter
Position
  • Full shade
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Geraniaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
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

Thrives in sun or shade in any soil. Useful for ground cover in shaded areas, but self-seeds readily, with the potential to become a nuisance if not kept in check. See herb robert for further information and advice on how to control

Propagation

Propagate by seed (sown outdoors) as soon as seed is ripe or in spring but self-seeds readily

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens
Pruning

No pruning required

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 powdery mildews in dry conditions

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