
Plant Library

Alder Prairie Horizon
Common Name: Alder
Botanical Name: Alnus hirsuta 'Harbin'
Variety: Prairie Horizon
Blossom Color: N/A
Bloom Time: N/A
Zone: 4 to 7
Exposure: Sun
Mature Height: 30 to 40 Feet
Mature Width: 20 to 30 Feet
Notes: A beautiful alder for difficult, dry situations. A rapid growing tree with decorative purple catkins and clusters of brown strobiles resembling little pine cones. Selected by the NDSU breeding program to be the most drought tolerant alder.