Foliage
Bark
Bud
Twig
Flower
Form
Video
Taxonomy
| Family | Salicaceae |
|---|---|
| Genus | Populus |
| Species | tremuloides |
| Common Name | quaking aspen, trembling aspen |
| iTree Code | POTR5 |
Plant Form
| Form | Tree: narrow canopy, often in clonal groups |
|---|---|
| Height | 65 feet |
| Spread | 30 feet |
| Deciduous | Yes |
Identification Description
| Foliage | broadly ovate (nearly circular) shape, 1.5 - 3" in long/wide, serrated (toothed) edge, flat leaf stem (petiole); distinctive "trembling" in wind | Leaf Type
 |
Simple |
|---|---|---|---|
| Needles | 0 | ||
| Bark | smooth white or green when young, develops dark gray ridges & furrows with age | ||
| Bud | terminal bud small pointed with obvious overlapping scales (imbricate), shiny, red-brown | Bud Arrangement
|
Alternate |
| Twig | slender, current year red/brown, then light gray | ||
| Flower | long “fluffy” gray/white catkins, with red & green; male and female on separate trees (dioecious) | ||
| Fruit | oval seed capsule, very small | ||
| Fall Color | yellow | ||
Site Characteristics
| USDA Zones
|
pH Levels | Salt Tolerance | |||
|---|---|---|---|---|---|
| Min | 1a | Min | 4.3 | Soil | Moderate |
| Max | 6b | Max | 9.0 | Spray | Moderate |
| Shade Tolerance | Drought Tolerance | Allelopathy |
|---|---|---|
| Intolerant | Intolerant | Yes |
Species Status
| Nebraska Native |
|
|---|---|
| U.S. Native |
|
| Region of Origin | United States, Canada |
| More Information | Visit External Site |