Populus tremuloides
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Size at maturity: 50' tall, 20-25' wide
- Canopy layer: large tree
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Light requirements: full sun
- Moisture requirements: moist soil
- Growth rate: fast
Green catkin flowers in spring on male trees; leaves appear to shake in wind; smooth bark; spreads by root runners. (Native Plants for Willamette Valley Yards, Metro, 2013)
Photo credit 1: "Populus tremuloides (quaking aspen) (central Alaska, USA)" by James St. John is licensed under CC BY 2.0
Photo credit 2: "Quaking Aspen" by ZionNPS is licensed under CC BY 2.0