Northern Rata (Metrosideros robusta)

Northern Rata

Metrosideros robusta

Its crimson blooms carpet branches like fiery clouds, a towering evergreen tree. Common name: Northern Rata.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates coastal wind exposure for mature specimens
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Watering Water deeply but infrequently; drought-tolerant once established
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Temperature Hardy to light frosts; prefers cool temperate climates, avoid extreme heat above 28°C
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Characteristics

  • Leaf: Leathery, elliptical to oblong leaves with glossy dark green upper surfaces and pale undersides
  • Flower: Dense clusters of bright crimson, brush-like flowers with numerous stamens
  • Stem/Bark: Young stems are hairy; mature bark is rough, dark brown to grey
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Care Guide

Watering

Keep soil evenly moist for young epiphytic specimens; reduce watering for mature self-supporting trees

Fertilization

Diluted balanced organic feed once every 6 weeks. Use low-nitrogen feed to promote flowering

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface around base of young plants
Pruning
  • Remove dead or damaged branches in late winter before new growth emerges
  • Trim overcrowded epiphytic growth to maintain desired form if grown as a container specimen
  • Avoid heavy pruning of mature trees to preserve their natural canopy structure
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No known toxicity to cats per ASPCA records

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental tree for gardens; nectar source for native New Zealand birds such as tūī and bellbird