Sweet birch is an attractive tree for lawns and naturalized areas, with shiny, red-brown bark and yellow foliage. Native to the eastern United States, the tree also attracts beautiful butterflies to the landscape, serving as a caterpillar/larval host. This species is resistant to bronze birch borer (BBB).
- Deciduous (seasonally loses leaves)
- North America
- Zone 3
- Zone 4
- Zone 5
- Zone 6
- Zone 7
- Full sun (6 hrs direct light daily)
- Dry sites
- Alkaline soil
- Clay soil
- Acid soil
- Dry soil
- Moist, well-drained soil
- Large tree (more than 40 feet)
- Medium tree (25-40 feet)
- Early fall
- Mid fall
Size and Form
50 to 60 feet high and 40 to 50 feet wide; rounded at maturity
Tree & Plant Care
Sweet birch occurs in moist, well-drained woodland slopes. Best grown in full sun.
Spring transplant only.
Avoid pruning in spring as birches tend to 'bleed' (lose large quantities of sap).
Disease, pests and problems
Cankers, aphids, leaf miners
Moderately susceptible to bronze birch borer.
Sensitive to soil compaction, air pollution.
Disease, pest, and problem resistance
Tolerant of black walnut toxicity
Native geographic location and habitat
Native to the eastern United States; often found in rocky sites.
Attracts birds & butterflies
Host to the tiger swallowtail, mourning cloak butterflies.
Bark color and texture
Young trees have a smooth, shiny, red-brown with rows of white lenticels.
Mature bark brown-black and scaly
Crushed stems smell like wintergreen.
Leaf or needle arrangement, size, shape, and texture
Simple, alternate leaves; 2 to 6 inches long; broadly ovate ; doubly toothed margins
Medium green in summer turning golden yellow in fall.
Flower arrangement, shape, and size
2 to 3 inch male catkins are a tips of branches and hang down when opening.
Female flowers are smaller and upright along same stem.
Fruit, cone, nut, and seed descriptions
Fruit is an erect catkin with many tiny winged seeds. They ripen in fall.