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Crane's Bill


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:: Geraniaceae :: GERANIUM :: hybrid :: ROZANNE® 'Gerwat'
  • Type of products available: 0/1/1P9
  • Protection : PBR 5538 - INPI 1538693

Main asset

One of the most floriferous perennial Geraniums, pure dark blue color with white heart, very aesthetic. Many awards, including the "Plant of the Centenary" from the Royal Horticultural Society, at the 2013 Chelsea Flower Show.


The plant forms long roots that provide good resistance to drought, but which can depress in winter in asphyxiating soil.

English selection from Geranium himalayense x Geranium wallichianum 'Buxton's Variety'. This non-sucking perennial Geranium quickly forms a small rounded bush, with uninterrupted flowering (except arid weather) from June to October, in large pure blue flowers with a white center, with 5 large petals, 6 cm Ø.

  • Uses: Perennial beds, proximity of trees, pots, balconies

Global caracteristics:

  • Type of foliage: deciduous
  • Habit: ground-cover
  • Height: 50 cm x 65 cm (20" x 24")
  • Growth: fast
  • Flowering period: June to October

Shape and colours:

  • Foliage shape: palmate dentated
  • Foliage colour: medium green
  • Foliage colour in autumn: yellow
  • Flowers shape: cup
  • Flowers colour: blue


  • Soil type: All except asphyxiating in winter
  • Exposure: sun, part-shade
  • Hardiness: - 25 °C (-13 °F - USDA zone 5b)