Betula nigra ‘Cully’ (Heritage™)
Scientific name: Betula nigra ‘Cully’ (Heritage™)
Common name: river birch
Family name: Betulaceae
USDA Hardiness Zone: 4-9
Mature height and spread: Height: 40.00 to 70.00 feet; Spread: 40.00 to 60.00 feet
Form: vigorous, fast-growing, medium-sized tree
Water use: Medium to wet
Soil requirements: average, medium to wet, well-drained soil in full sun to part shade.
Leaf arrangement: Leathery, diamond-shaped, dark green leaves (1.5-3.5″ long) with doubly toothed margins are larger and glossier than the species and turn a respectable yellow in fall.
Flower/cone/fruit description(s): Flowers are contained in drooping, brownish male catkins (2-3″ long) and insignificant, smaller, upright, greenish female catkins, both of which appear in spring on the same tree.
Limitations: tolerates drier soils. Adapts well to heavy clay soils and will tolerate poor drainage. Avoid pruning in spring when the sap is running.
Suitable uses: Excellent (as specimen or in small groups) for lawns, parks, and commercial properties and, in particular, for wet soils along ponds or streams or in low spots.
Quick ID description: medium-sized tree; leathery
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