Siberian elm (Ulmus pumila)
Siberian elm trees are often promoted as trees for instant shade. Trees are fast growing, but are also prone to problems in the landscape and are not recommended for residential planting.
Hardiness- zones 4 though 9
Growth Rate- rapid
Mature Shape- rounded, open crown with large descending branches
Height- 50 feet to 70 feet
Width- 40 feet to 60 feet
Site Requirements- sun, tolerant of a range of soils, including poor soil
Features- Siberian elm trees are prone to attack by the elm leaf beetle. Trees have brittle wood and are susceptible to damage in strong winds and ice storms.
Recommended Varieties for Iowa- Siberian elms are not recommended for use as landscape trees.