B. nigra 'Cully' Heritage®

Common Name

River Birch

Scientific Name

B. nigra

Cultivar

'Cully' Heritage®

Hardiness Zone

4a [-25 to -30]

Tolerances

Drought

Moderate

Moderate

Poor Drainage

Tolerant

Tolerant

Alkaline Soil

Intolerant

Intolerant

Salt

Moderate

Moderate

Shade

Moderate

Moderate

Air Pollution

Tolerant

Tolerant

Soil Volume

18

Planting Area

  • Small
  • Medium
  • Large

Features of Interest

  • Winter Interest

    Winter Interest

  • Native to Vermont

    Native to Vermont

Form

upright oval

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.