Similar to Quaking Aspen, this tree has a narrow, pyramidal form when young that becomes more rounded with maturity. Carries typical aspen leaves with light green on top and silvery green underneath that provides the "shimmer". This selection is found to be resistant to black spot.

Scientific Name: Populus tremuloides 'Select Kalus'
Zone: 3
Light: Sun
Height: 30-40'
Width: 15-20'
New Shape: Upright, rounded
Foliage: Green
Fruit: Capsule
Fall Color: Yellow