Betula pubescens, commonly known as downy birch, is a hardy deciduous tree native to cooler regions, distinguished by its pale, grey-white bark and softly hairy young shoots. Its delicate, serrated green leaves provide gentle texture and turn rich yellow in Autumn, adding seasonal brightness to its refined silhouette.
Well-suited to woodland, naturalistic, and native planting schemes, it thrives in wetter soils and performs well in rewilding or riparian settings, as well as larger landscape plantings.
Prefers full sun to light shade and grows best in moist, well-draining to poorly draining soils. Tolerates acidic and peaty conditions. Allow 5–7 metres spacing for mature crown development.
Mature size typically reaches 10–15 metres tall with a light, airy crown spreading 5–7 metres wide.
Trimming: Prune in late winter to early spring to remove any dead, damaged, or rubbing branches. Light shaping may be done on young trees to encourage a balanced framework, but mature trees require minimal pruning.
Deadheading: Not applicable.
Fertilising: Fertilise in early spring with a balanced, slow-release fertiliser if growth is poor or during the early establishment phase. Once established in healthy soil, no regular feeding is needed.
Watering: Water regularly during the first two years, especially in dry conditions. Downy Birch prefers moist soil and may need supplemental watering during extended drought, even when mature.
Pest Control: Monitor for aphids and leaf miners. Aphid infestations can be managed with insecticidal soap. Leaf miners rarely cause significant damage but can be pruned out if needed.
Disease Management: Susceptible to powdery mildew, leaf spot, and occasional cankers. Promote good airflow and clear fallen leaves to reduce fungal pressure. Keep the tree healthy to reduce the risk of dieback or borer-related issues. Signs of stress such as wilting or bark splitting should be investigated promptly.
Enjoy complimentary delivery anywhere in mainland New Zealand when you purchase plants worth $250 or more*.
For orders below $250, the following flat-rate delivery charges are applicable:
We aim to have all orders shipped within 14 days from the order date, unless a different shipping date is specified alongside a product.
Enter your email address to receive a notification when this product is in stock again.
If you have not already verified your email address you will receive a verification email to the address entered which must be actioned in order for the notifications to start.