River birch 'Heritage' (Betula nigra 'Heritage')

River birch 'Heritage'

Also known as: Swamp birch 'Heritage'

River birch 'Heritage' (Betula nigra 'Heritage') is commonly sold as 'Heritage' but is also known as 'Cully' after Earl Cully who discovered it in St. Louis, Missouri. This birch is derived from river birch (Betula nigra) and shares the same size and growth rate. However, river birch 'Heritage' can be a single trunk or a multi-stemmed tree and features creamy pink bark and an impressive inner white core.

Scientific classification

Beeches, walnuts, and allied trees

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Perennial

Lifespan

Tree

Plant Type

12 m to 21 m

Plant Height

12 m to 18 m

Spread

Green

Leaf Color

Winter dormancy

Dormancy

Deciduous

Leaf type

Care Guide for River birch 'Heritage'

Twice per week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: River birch 'Heritage' thrives in moist environments, preferring consistent moisture with moderate drought tolerance. Water twice a week to maintain slight dampness. As a deciduous tree, its water needs influence its unique peeling bark, serving both aesthetic and functional purposes.

Fertilize: River birch 'Heritage' thrives with balanced nutrition fertilizers in spring and fall, enhancing vigor. Use high nitrogen fertilizers sparingly during growth phases, adjusting amounts as river birch 'Heritage' matures. Avoid over-fertilizing to prevent root burn, and always water thoroughly after application to ensure even nutrient distribution.

Pruning: River birch 'Heritage' features peeling bark and attractive foliage. Prune in early spring, removing dead or crossing branches to maintain health. Thinning promotes air circulation and light. Avoid heavy pruning; minor trims enhance aesthetics and reduce pest risks, fostering vibrant growth.

Propagation: River birch 'Heritage' is best propagated via cuttings. Use healthy, semi-hardwood stems, apply rooting hormone, and plant in a moist, well-draining medium while maintaining high humidity and warmth. Monitor moisture levels to prevent rot, and water regularly after transplanting to help river birch 'Heritage' settle into its new location.

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