It's native to Southwestern U.S. and can be grown in USDA hardiness zones 6 through 8. This lovely tree also supports Imperial moth larvae which are beneficial to many insect-feeding birds.
DESCRIPTION: The southwestern ... affects breeding success. LIFE CYCLE: Egg incubation lasts 12 to 13 days; nestlings fledge after 12 to 14 days. Willow flycatchers have a lifespan of three to four ...