Red birch (Weinmannia racemosa)

Red birch

Red birch is a shrub or medium-sized tree that is endemic to New Zealand. It is the most abundant tree in New Zealand, where it is naturally found in montane and subalpine forests, as well as shrubland. It commonly colonizes disturbed areas and can become locally dominant in those regions. The bark was exported for tanning in the past.

Scientific classification

Species

Red birch (Weinmannia racemosa)

Woodsorrels, quandongs, and allies

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Perennial

Lifespan

Tree, Shrub

Plant Type

Spring, Summer, Winter

Bloom Time

Mid fall, Late fall, Winter, Spring

Harvest Time

25 m

Plant Height

4 m

Spread

15 - 38 ℃

Ideal Temperature

Images of Red birch

Care Guide for Red birch

Every 2-3 weeks

Water

Full sun

Sunlight

15 - 38 ℃

Ideal Temperature

Water: Red birch thrives in fluctuating moisture levels, preferring moderate watering every 2-3 weeks. It is an evergreen plant that requires careful soil moisture management to prevent root rot while ensuring healthy foliage. Typically grown outdoors, it adapts well to its environments despite its size.

Fertilize: For optimal growth of red birch, apply a balanced fertilizer biannually in spring and fall, following product guidelines. Avoid over-fertilization and adjust feeding during dormant periods. Distribute evenly in soil around red birch, avoiding direct contact with the base to prevent burn.

Pruning: The plant red birch thrives with winter pruning to enhance air circulation and shape. Focus on removing dead or diseased branches while dormant to reduce stress and promote healthy growth. Clean, sharp tools are essential to prevent infection and encourage vigorous flowering.

Propagation: Red birch is propagated through cuttings by selecting healthy stems and using sterilized tools. Cut segments with nodes, apply rooting hormone, and plant in well-draining soil. Keep moist and in warm, indirect light until roots establish, then transplant to the final location.

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