Betula nigra

River Birch, Red Birch

Form and Growth Characteristics:
Plant Type - Tree
Growth Rate - 24" or more per year
Mature Height - 40-70' may reach 90'
Mature Width - 40-60'
Longevity - 100 years or less.

Ornamental Characteristics:
Flower - Male catkins are drooping and brown, 2-3" long. Female catkins are smaller, insignificant, upright, and greenish. Both appear in spring on the same tree.
Fruit - Small nutlet, in a 1-1.5" pendulous catkin, ripens and sheds seed in spring.
Leaf -
Fall Color - yellow then soon dropping.
Bark - Exfoliating into papery sheets, exposing the inner bark which is gray-brown, salmon-brown, cinnamon-brown to reddish brown.
Other Features - Specimen tree for estates, parks, golf courses, and other large areas. Handsome for bark character.
Possible Use -
Season Of Interest -

Culture and Care:
Care Requirements - Transplants well, best adapted to moist soils. Prefers an acid soil (6.5 or below) for chlorosis will develop in high pH situations.
Native Habitat - Massachusetts to Florida west to Minnesota and Kansas; restricted to stream banks and other moist places.
Diseases and Insects - Probably the most trouble-free birch, but can get leaf spot. Is bronze birch borer resistant.
Strength -
Weakness -

Plants of this taxon:

Find Related Plants:
- Other plants with the common name Birch.
- Other plants of the family Betulaceae.
- Other plants of the genus Betula.
- Other plants of the species Betula nigra.