Prairie Expedition® American Elm is a tallnative fast-growing deciduoustreewith an umbrella shaped crown. The rough dark green leaves are toothed with asymmetrical bases and turn an outstanding yellow in fall. Inconspicuous green flowers bloom in spring before the foliage and give way to papery wing-like seed pods that mature mid-spring. Grows best with full sun and rich well-drained soils. Tolerates light shade. Prairie Expedition® is resistant to Dutch elm disease.
Ulmus americana is host plant for several butterfly species, including: the Painted Lady, Eastern Comma, Mourning Cloak, Question Mark Butterfly, and the Red Spotted Purple Butterfly.
55’ - 60’
35’ - 40’
USDA Hardiness Zone:
3 - 9
Season of Interest:
MAINTENANCE NEEDS:Low Maintenance. Elms are susceptible to Dutch Elm disease and phloem necrosis, which is fatal, and wetwood which causes dieback. Other potential issues include wilts, rots, canker, leaf spots as well as pests such as miners, borers, and scale.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens,Rock Gardens, Ponds and Streams, andShade Tree.
IMAGES: Izigabo, Lewis & Clark at GF, CC BY-SA 4.0, (2) Izigabo, Lewis & Clark foliage, CC BY-SA 4.0, (3) Izigabo, Lewis & Clark autumn colour, CC BY-SA 4.0, (4) Izigabo, U americana Lewis & Clark Priors Hold, CC BY-SA 4.0
*As plants have ranges in appearance they may not appear as the images shown.