Taxon

Betula nigra 'Cully' Heritage

 
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Betula nigra 'Cully' Heritage - Heritage River Birch, Heritage Black Birch, Heritage Red Birch
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Common name: Heritage River Birch, Heritage Black Birch, Heritage Red Birch
Family: Betulaceae (Birch)
Distribution: Cultivated
Hardiness: -30 - 30 F
Life form: Deciduous tree
Fruit characteristics: Brown, 1-3" long catkins. Male catkins are brown and droop. Female catkins are smaller, green, and upright.
Foliage characteristics: Alternate, simple, and ovate with double serrated leaf margins. 2-4" long.
Bark characteristics: Twig: brown to reddish. Bark scaly, beige or white and remains pinkish-white for longer than the species.
Structure: Young: narrow, pyramidal to oval Mature: oval
Average height: 50-80'
Pest resistance: Extremely resistant to bronze birch borer.
Disease resistance: Good resistance to leaf spot diseases.
Fall color: Yellow
Attracts: Butterflies w/ host
Bloom Time: April to May
Description: This drought and flood tolerant birch cultivar has exfoliating bark that can be almost as white as some white birches. While it is able to withstand heat and pests slightly better than the species, it is not quite as tolerant as the Dura Heat river birch. The cultivar name ‘Cully’ gives credit to Earl Cully, who found this birch growing in St. Louis, Missouri.
Links: GRIN Taxonomy - Simple Query Species DataMissouri Botanical Garden Plant FinderUF IFAS Environmental Horticulture Center

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