Alder—Alnus spp.
Family Betulaceae (Birch family)
Plant IdentificationAlders are fast-growing deciduous trees. They
vary in size depending on species; most grow between 40 to 60
feet tall. Female flowers develop small cones.
Optimum conditions for growthThe climatic zone for Alnus spp. varies
by species. They will grow in shady areas or in full sun and are
tolerant of many soils. Alders are moisture loving trees. They
do best with deep watering to avoid surface root problems.
Mature white alder, Alnus rhombifolia |
