Salix smithiana 
                  
                  Description: a vigorous large shrub or small 
                    tree; 6-9m' (20-30'); annual growth is brown; covered in fine 
                    silky hair; long tapering leaves which are grey-green above 
                    and lighter grey underneath; beautiful early spring catkins
                  Conditions: full sun to part shade with 
                    ample water
                   Coldest zone: 3 (find your 
                    zone; further info on plant hardiness)
                  Uses: basketry (especially when the rods 
                    are peeled), catkins, biomass