SelecTree: A Tree Selection Guide

9 trees found.

ITALIAN ALDER
Borers are serious problem on most alders. Roots are invasive. Grows best with…

Alnus cordata - photo


BLACK ALDER
Makes dense mass from ground up. Requires deep watering. Hardy to 0 degrees F…

Alnus glutinosa - photo


PYRAMIDALIS BLACK ALDER
Branches don't droop and resist breakage…

Alnus glutinosa 'Pyramidalis' - photo


MOUNTAIN ALDER
Utility friendly tree. Extremely hardy to cold. The name 'incana' refers to the white underside of the…

Alnus incana subsp. tenuifolia - photo


GRAY ALDER
Utility friendly tree. Extremely hardy to cold. Native Americans used the bark as a laxative. The…

Alnus incana - photo


WHITE ALDER
Relatively tolerant of heat and wind in landscaped areas…

Alnus rhombifolia - photo


RED ALDER
Rarely found more than 10 miles from coast in California. Useful where…

Alnus rubra - photo


ALDER BUCKTHORN
Utility friendly tree. Good tree for woodland settings. Berries are toxic…

Frangula alnus - photo


TALLHEDGE BUCKTHORN
Utility friendly tree. Berries are toxic. Under right conditions may grow a bit taller. The variety …