Dwarf birch (Betula nana)

Dwarf birch

Also known as: Arctic birch

Dwarf birch (Betula nana) is an arctic birch shrub with small toothed leaves. It can be found in the coldest regions of North America, Asia, and Europe, even extending as far north as Svalbard. Dwarf birch generally needs unobstructed sunlight to grow well. The leaves turn a striking red in autumn before they fall.

Scientific classification

Species

Dwarf birch (Betula nana)

Beeches, walnuts, and allied trees

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60 cm to 1.2 m

Plant Height

60 cm to 1.2 m

Spread

Green, Blue

Leaf Color

Deciduous

Leaf type

0 - 32 ℃

Ideal Temperature

Summer

Growth Season

Moderate

Growth Rate

Images of Dwarf birch

Attributes of Dwarf birch

Growth Rate

With a moderate growth rate, dwarf birch undergoes most of its active growth during the summer. This speed allows for a calculated increase in height and leaf production, striking a balance without overstraining resources. A feature of dwarf birch's growth pattern is that it incurs minimal growth in colder seasons, with summers being critical for its development.

Care Guide for Dwarf birch

Every 2-3 weeks

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Water: Dwarf birch is adapted to tundra climates, demonstrating drought tolerance and requiring minimal watering, about once every 2-3 weeks. Thriving in moist, well-draining soil, dwarf birch needs careful water management during its active growth period for optimal health.

Fertilize: Fertilize dwarf birch in spring with balanced nutrition for optimal growth, applying quarterly at a handful per square meter. For young dwarf birch, fertilize bimonthly. Use slow-release granules to avoid root burn, ensuring health, especially in nutrient-poor soils.

Pruning: Dwarf birch features small, rounded leaves and thrives in cold climates. Early spring pruning by removing dead wood and thinning crowded branches enhances air circulation and promotes healthy growth. This practice maintains its compact size, perfect for ornamental use in gardens.

Propagation: Dwarf birch can be propagated through cuttings, ideally from healthy semi-hardwood pieces during active growth. Using rooting hormone, a well-draining soil mix, and maintaining humidity increases success rates, but avoid oversaturation to prevent root rot.

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