Fastest growing northwest native large tree. Likes moist soil and full sun. Aggressive roots can disturb concrete and invade water lines. Black Cottonwood can grow up to 45 ft. in the first 7 years and up to 200 ft. tall maximum at mature height.
ZONE: 5-10
POLLINATION/BLOOM TIME: n/a
RECOMMENDED GROWING AND CARE:
Full to 1/2 sun, regular balanced moisture, acid to neutral soils with high organic matter. Reduce grass competition in root zone to start. Prefers moist soils. Prune as needed.
SIZE AT MATURITY: To 45' in 7 years; to 180' in maturity.
