quaking aspen, trembling aspen - Salicaceae Populus tremuloides

Video

POTR5

Taxonomy

FamilySalicaceae
GenusPopulus
Speciestremuloides
Common Namequaking aspen, trembling aspen
iTree CodePOTR5

Plant Form

FormTree: narrow canopy, often in clonal groups
Height65 feet
Spread30 feet
DeciduousYes

Identification Description

Foliagebroadly ovate (nearly circular) shape, 1.5 - 3" in long/wide, serrated (toothed) edge, flat leaf stem (petiole); distinctive "trembling" in windLeaf Type Information IconSimple
Needles0
Barksmooth white or green when young, develops dark gray ridges & furrows with age
Budterminal bud small pointed with obvious overlapping scales (imbricate), shiny, red-brownBud Arrangement Information IconAlternate
Twigslender, current year red/brown, then light gray
Flowerlong “fluffy” gray/white catkins, with red & green; male and female on separate trees (dioecious)
Fruitoval seed capsule, very small
Fall Coloryellow

Site Characteristics

USDA Zones   info for zonespH LevelsSalt Tolerance
Min1aMin4.3SoilModerate
Max6bMax9.0SprayModerate

Shade ToleranceDrought ToleranceAllelopathy
IntolerantIntolerantYes

Species Status

Nebraska NativeYes Check
U.S. NativeYes Check
Region of OriginUnited States, Canada
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