Betula populifolia
Gray Birch, Old Field Birch
Betulaceae
ExpandHabitat
- native to northeastern United States and northeastern Canada
 - zone 3
 - common on poor, sandy soils
 - an early colonizer of poor sites, road cuts, burned areas.
 
Habit and Form
- deciduous small to medium tree
 - 20' to 40' tall with only a 10' to 20' spread
 - narrow conical crown
 - grows rapidly
 - often multiple stemmed and used as a "clump" birch
 - fine texture
 
Summer Foliage
- alternate, simple leaves, 2" to 3.5" long leaves
 - doubly serrate margins
 - long acuminate tip on ovate or triangular leaf
 - dark green and glabrous
 - leafs out early
 
Autumn Foliage
- yellow
 - generally showy
 
Flowers
- blooms in April, but catkins visible prior to bloom
 - monoecious: male and female catkins
 - male catkins 2" to 3.5" long; borne singly, rarely in twos
 
Fruit
- small nutlets held in cylindrical catkins, 0.75" to 1.25" long
 
Bark
- reddish brown, thin and smooth on young trunks
 - chalky white with prominent black triangular patches at the base of each branch
 - does not peel very readily
 
Culture
- very easy to grow
 - tolerant of most soils, especially dry, gravely soils
 - high pH soils should be avoided to prevent chlorosis
 
Landscape Use
- for poor soil sites
 - difficult sites
 - naturalized area
 - where guide tree growth is needed
 - conservation areas
 - possible for bark, but better birches around
 - somewhat resistant to bronze birch borer
 
Liabilities
- birch leaf miner is very disfiguring to the foliage and major limitation. It does not kill the plant however
 - tends to be short lived
 - very prone to being bent over or snapped off by ice storms of heavy snows
 
ID Features
- acuminate leaf tips
 - black triangular patches on bark at branch bases
 - conical in shape and small size
 - severe leaf minor damage on leaves
 
Propagation
- by seed; cold or light will break dormancy
 
Cultivars/Varieties
- None of significance
 










