Common Name
River Birch
Scientific Name
B. nigra
Cultivar
'Cully' Heritage®
Hardiness Zone
4a [-25 to -30]
Tolerances
Drought

Moderate
Poor Drainage

Tolerant
Alkaline Soil

Intolerant
Salt

Moderate
Shade

Moderate
Air Pollution

Tolerant
Soil Volume
18
Planting Area
- Small
- Medium
- Large
Features of Interest
Winter Interest
Native to Vermont
Form

Upright oval
Mature Height
50 feet
Crown Spread
35 feet
Limitations
- Weak wood and/or branch structure
- Problems with excessive sucker growth
Additional Information
Exfoliating bark. Develops chlorosis in high pH. Leaf spot in wet years. Most adaptable birch.