More Images SALIX BABYLONICA, Green Weeping Willow Hardiness Zone: 5 Prices by Size: 6 to 8 ft., W.B - $25.00 1 1/2 in. Cal., W.B - $40.00 2 in. CaL, W.B - $80.00 2 1/2 in. CaL, W.B - $95.00 [Your browser doesn't support IFrames. Click here to find the USDA hardiness zone for your zipcode.]