Ash
Consider Replacement
Identification
- Leaf: Compound
- Bark: Diamond
- Growth: Upright
Pruning Window:
Dormant winter, avoid spring
Common Problems:
- Emerald Ash Borer
- Structural weaknesses
Recommendation:
Consider native alternatives if EAB present
Oak
Consider Replacement
Identification
- Leaf: Lobed
- Bark: Deeply ridged
- Growth: Spreading
Pruning Window:
Before April 1
Common Problems:
- Oak Wilt risk April–July
Recommendation:
Remove infected branches promptly
Silver Maple
Consider Replacement
Identification
- Leaf: Palmate
- Bark: Shallow furrows
- Growth: Fast-growing, spreading
Pruning Window:
Dormant winter
Common Problems:
- Weak branches, storm damage
Recommendation:
Regular maintenance for longevity
Bradford Pear
Consider Replacement
Identification
- Leaf: Oval
- Bark: Smooth to slightly furrowed
- Growth: Upright, narrow
Pruning Window:
Late winter
Common Problems:
- Structural failure with age
Recommendation:
Replace at end of lifespan