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Geranium himalayense 'Gravetye'
© Deeproot Plant Base
common name: Cranesbill, Hardy Geranium
synonyms: Geranium himalayense var. alpinum, geranium grandiflorum var. alpinum
growth rate: medium
leaf colour: green
flower colour: blue
main season: Summer
full sun, part shade, shade
dry soil, moist soil
preferred soil pH: any
minimum temp: -35°C
USDA zone: 4 to 10
Smallish leaves and larger, clear blue flowers than the species, up to 7cm across and with more distinct red zones around the white centres. Often has good autumn foliage colour.
Moderately fertile, well drained soil in sun or part shade. Cut back after flowering to encourage new growth and sometimes repeat flowering.
Effective ground cover even in full shade.