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Gardeners' World

Geranium Johnson's BlueCranesbill

Cranesbill Geranium 'Johnson's Blue', photo by S & O, GAP Photos

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  • Cranesbill Geranium 'Johnson's Blue', photo by S & O, GAP Photos

Plant overview

Deep lavender-blue, saucer-shaped, spring and summer flowers and deeply divided, mid-green leaves. The loose clusters of lavender-blue flowers, pink-tinged at the centre, look lovely weaving in and out of the front of a mixed border. The plant rapidly forms a dense carpet of foliage, valuable for suppressing weeds.

  • Postition: South , West , East
  • Soil Type: Normal , Alkaline (Chalky) , Heavy Clay (remains damp) , Light Sandy (dries out quickly) , Acid
  • Soil PH: Acid, Neutral, Alkaline
  • Flowering Period: Summer
  • Ease of maintenance: Easy
  • Fragrant: No
  • Spring Colour: medium green
  • Summer Colour: deep blue
  • Autumn Colour: deep blue
  • Winter Colour: not-applicable
  • Leaf Colour: Green
  • Poisonous: No
  • Evergreen: No
  • Season of interest: Spring, Summer, Autumn

Garden care

In mid-summer rejuvenate plants that are beginning to look jaded, by removing old flowered stems and leaves. Lift and divide large colonies in spring.

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