Tree Species Shade Tolerance Chart
Shade Tolerance: The ability of a tree species to survive and grow under canopy of other trees with limited direct sunlight.
Tolerant Species
Can survive and grow well in shaded conditions:
- Red Spruce (rs)
- Balsam Fir (bf)
- Eastern Hemlock (eh)
- Beech (be)
- Eastern White Cedar (ewc)
- Black Spruce (bs)
- Sugar Maple (sm)
Intermediate Species
Can tolerate moderate shade but grow best with some direct sunlight:
- White Spruce (ws)
- White Pine (wp)
- Red Oak (ro)
- Red Maple (rm)
- Yellow Birch (yb)
Intolerant Species
Require full sunlight; early successional or pioneer species:
- Eastern Larch (la)
- Red Pine (rp)
- Poplar/Trembling Aspen (po)
- White Ash (wa)
- White Birch (wb)