Prairie Spire® Green Ash -- Fraxinus pennsylvanica ‘Rugby’
RFM-14
Elegant shade tree
Description
Male seedless green ash cultivar with an above average growth rate of 1.84 feet annually over a ten-year period. Foliage is glossy and bright green. Characterized by a striking, narrowly erect, excurrent growth habit with terminal dominance and dense lateral branches, becoming narrowly pyramidal-elliptical with age. Hardy in USDA Zone 2b. It will reach a semi-mature height of 35 to 40 feet in 25 to 30 years. This tailored, dense excurrent green ash is a preferred cultivar in the commercial nursery trade of the north-central U.S. and prairie provinces in Canada.
Potential Uses or Applications
Nursery stock, shade, shelter, boulevard, park, and specimen tree
Development Stage
Plant material can be obtained from a licensed nursery subject to availability.
Dense, narrowly upright form of young grafted tree
Patent Status
U.S. Trademark registered – Prairie Spire®
Canadian Trademark registered
Licensing Status
This cultivar is available for non-exclusive licensing.