Prairie Horizon® Manchurian Alder -- Alnus hirsuta ‘Harbin’ (RFM-33)


closeup of leaves tree in summer

The most drought tolerant alder evaluated in NDSU trials. Rapid-growing, medium-sized tree with dark green leaves. Bark is gray and beech-like. Purple catkins and clusters of brown, cone-like strobiles add interest to the tree during winter. Available in nursery trade. Tree mulching recommended. Prairie Horizon® will reach a semi-mature height of 30 feet in 15 to 20 years. Hardy in USDA Zone 3.

Potential Uses or Applications

Nursery stock, shelter, park, and specimen tree

Development Stage

Plant propagation material can be obtained from NDSU Plant Sciences Department or trees from licensed nursery subject to availability.

Patent Status

  • U.S. Trademark registered – Prairie Horizon®
  • Canadian Trademark registered

Licensing Status

This cultivar is available for non-exclusive licensing.

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