species
Betula nigra
River birch
Scale drawing from this record, beside a 1.7 m figure.
Betula nigra belongs to the family Betulaceae, also known as River birch, introduced to the UK. It reaches 15 m tall and 10 m across in about 10 years. It grows in full sun, on loam, clay or peat soil, where the ground is acid or neutral and in moist or poorly drained conditions, and suits average positions. It flowers in April. Its RHS hardiness rating is H6 (hardy, very cold winter): −20 to −15°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 15 m tall × 10 m across, after about 10 years
- Hardiness
- H6 (RHS)
- Aspect
- Full sun
- Soil
- Loam, Clay, Peat
- Acidity
- Acid, Neutral
- Moisture
- Moist, Poorly drained
- Exposure
- Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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