Italian alder
Alnus cordata
RHS AGM 1993
USDA zones5 to 7
SunHandles full sun to partial sun
WaterHandles moderate or wet soil
Size30 to 50 feet tall20 to 30 feet wide
- Bloom season
- Spring
- Bloom color
- Yellowish-green (male), reddish-green (female)
Garden uses
Notes
Italian alder (Alnus cordata) is a tree for naturalized areas. It is hardy to USDA zone 5, or down to -20°F (-29°C). This plant likes full or part sun and average to wet soil. It grows 30 to 50 feet tall and 20 to 30 feet wide, so give it room. Yellowish-green male catkins and reddish-green female catkins appear in early spring.
Pairs well with American aspen, Ostrich fern, and Sweet woodruff.
Native range
Corsica.