Geranium 'Johnson's Blue' - Geranium pratense x himalayense = G. x johnsonii
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Species Description
A hybrid between G. pratense (Meadow Crane's-bill) and G. himalayense (Himalayan Crane's-bill).
Stace 4:
G. 'Johnson's Blue' (G. x johnsonii P.D. Sell), also grown in gardens, is the Hybrid G. pratense x G. himalayense. It differs in its narrower leaf-lobes (distinctly rather than scarcely or not longer than wide) and total sterility; recorded from South Lancashire, South West Yorkshire, Isle of Man and County Sligo.