Buxton's 蓝天竺葵  (Geranium wallichianum)  Buxton Blue Geranium
ZT:  Geranium wallichianum is a species of hardy flowering herbaceous perennial plant in the genus Geranium, Geraniaceae family. It is native to the
Himalayas. It grows to 60 cm with hairy toothed leaves and blue flowers in summer. It is suitable for cultivation in temperate regions, in the front of the
border. Various cultivars have been selected of which 'Buxton's variety' has gained the Royal Horticultural Society's Award of Garden Merit.