Pacific Willow is a large shrub or small tree type willow that can grow up to 45 feet tall. It generally lives is moist, well drained areas and is tolerant of a wide range of soil types. It is adapted to grow in low- to mid-elevations from Alaska through British Columbia, throughout Washington and Oregon, as well as northwestern California. Pacific willow is an excellent species for streambank and riparian restoration. It’s leaves are long and narrow (5 to 10 centimeters) with a pointed tip. Flowers consist of thick, hairless, reddish-brown catkins that are 6 to 8 millimeters long.
 
Plant Guide - https://plants.sc.egov.usda.gov/plantguide/pdf/cs_salul.pdf