Quaking Aspen

Heat Tolerance: Not heat resistant

Sun Exposure: Full sun

Origin: Most of North America

Growth Habits: Deciduous small to medium sized tree, 20 to 50 feet tall (6-15 m), 15 to 25 feet in spread (4.5 to 7.5), often occurring in thickets with all the trees suckers of the same root system; heart-shaped to roundish leaves, 1 to 3 inches long (2.5-7.5 cm), turning bright yellow in the fall

Watering Needs: Regular deep watering

Propagation: Cuttings, seeds, suckers

Propagation: Seed or occasionally cutting

• by semi-hardwood, hardwood secondary cuttings, in winter. Use outdoor beds.
• by seeds, in autumn. Germinates at 84-89 degrees F. The seeds can be harvested in summer. The usual germination temperature is 84-89 degrees F.

Populus tremuloides: trunk, Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee

Populus tremuloides: leaves, Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee

Blooming Habits:
Dioecious. The male and female trees bear hanging catkins, 1 to 3 inches long (2.5-7.5 cm)

Fruiting Habits:
The fruit, carried by the female trees is a woolly capsule enclosing six to eight small hairy seeds. A single female catkin generates many light green capsules.