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Herbaceous PerennialSynonym

Geranium × magnificum 'Alan Mayes'
  • RHS Plants for pollinators

A vigorous clump-forming herbaceous perennial with mid-green deeply lobed hairy leaves and stems. In spring and summer it produces a succession of large cup-shaped blue flowers with dark purple veining. In autumn the leaves flush red.

Synonyms
Geranium × magnificum 'Alan Mayes'
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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, Poorly–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Blue Green
Autumn Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H7
Botanical details
Family
Geraniaceae
Native to the UK
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 on a range of soil types in sun to part-shade.

Propagation

Propagate by division in spring and by basal softwood cuttings in early to mid spring using bottom heat.

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

Cut back flowered stems to the base after flowering is finished. In autumn to late winter cut back withered stems.

Pests

Generally pest-free

Diseases

Generally disease-free

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