Hardy Rubber Tree
Eucommia ulmoides
Eucommiaceae
Growth habit
Tree
Perennation
Long-lived polycarpic perennial
Native distribution
Soviet Union & China
Location
Source of plant
Gardens North, Lazy S's Farm Nursery, Klyn Nurseries, Oikos Tree Crops
Description
Tree to 20 m; branches with chambered pith; leaves oval-elliptic to oval-oblong, 7-8 cm long, coarsely serrate, glabrous above and eventually somewhat rugose; flowers borne in April; insignificant.
USDA Hardiness Zone
5