Frontier Hybrid Elm
Ulmus 'Frontier'
Ulmaceae
Growth habit
Tree
Perennation
Long-lived perennial
Location
Newman Meadow, Urban Tree Collection
Source of plant
Sooner Plant Farm, W & W Nursery & Landscaping, Arborvillage Farm Nursery
Description
The first commercial release of an elm cultivar using spring-flowering (U. carpinifolia) and fall-flowering (U. parvifolia) parents. Tree reaching 25' in height and 15' in width in 19 years developing a symmetrical, upright-pyramidal habit. Bark is smooth, grey-green with orange lenticels, not exfoliating; rarely flowers and no seed production has yet been observed. Highly tolerant of both DED and elm yellows, moderately resistant to elm leaf beetle damage. NA 55393 and PI 536049.
USDA Hardiness Zone
5
Special characteristics
disease resistance, fall color