Salix gracilistyla ‘Mount Aso’ Pink Pussy Willow Description Mount Aso is the tallest volcano in Japan. It's also the namesake of this wonderful pink pussy willow. The soft pink flowers will open naturally in early spring or can be forced indoors during winter. Coppice for best bud production. Characteristics Hardiness Zone: 4 Light requirements: Sun Height: 6' Spread: 6' Native: No Sizes & Prices Size: 24" Ht $54.98 Other Information All Salix gracilistyla Salix gracilistyla 'Mount Aso' Pink Pussy Willow Zone: 4 Sun HT: 6'