The leaves of the grey birch are more triangular than oval, the male catkins grow in pairs rather than groups of four, and it ...

Stretching upwards of 40 meters with a trunk up to 2.5 meters in diameter, this medium-sized deciduous tree often grows with a single trunk. Growing best in well-drained soils, the paper birch is ...

5. Temperature Birch trees require cool temperatures and cannot tolerate extreme heat. Keep them in a cool environment, ideally between 50-70°F (10-21°C). 6. Fertilizer Birch bonsai trees ...