Salix babylonica but beyond China, it has not generally been as successfully cultivated as some of its hybrid derivatives, being sensitive to late-spring frosts. In the more humid climates of much of Europe and eastern North America, it is susceptible to a canker disease, willow anthracnose ("Marssonina salicicola"), which makes infected trees very short-lived and unsightly. "Salix babylonica" (Babylon willow) has many cultivars, including: Various cultivars of "Salix matsudana" (Chinese willow) are now often included within "Salix babylonica", treated more broadly, including: Yet other weeping willow cultivars are derived from interspecific "Salix" hybrids, including "S. babylonica" in their parentage. The most widely
Salix bicolor Salix bicolor Salix bicolor is a species of flowering plant in the family Salicaceae (willows). "Salix bicolor" can reach a height of . This plant usually develop into a large shrub, but may grow as a multi branched tree of up to 4 m height. Branches are glabrous. brown-reddish or chestnut. Leaves are yellow-green, glabrous, elliptical or lanceolate with acute apex. They are long and wide. The catkins are produced in early spring, before the leaves. They reach 3 × 1 cm, on long peduncles with lanceolate bracts. Like all willows this species is dioecious. Flowers bloom from May to