Cabbage Tree (Cordyline australis)

Cabbage Tree

Cordyline australis

Its sword-like leaves stand like a green fountain, a hardy evergreen staple. Evergreen tree/shrub; common names: Cabbage Tree, Ti Kouka.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial shade; tolerates coastal wind and light shade conditions
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Watering Water deeply when the top 5–10 cm of soil is dry; drought-tolerant once established
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Temperature Hardy to -5°C; prefers temperate to warm climates; avoid prolonged temperatures above 35°C
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Characteristics

  • Leaf: Long, sword-shaped, arching leaves (60–120 cm) in dense rosettes atop mature stems
  • Flower: Fragrant small white flowers in drooping panicles up to 1 m long
  • Stem: Thick, fibrous trunk with peeling, brownish, cork-like bark
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Care Guide

Watering

Keep soil evenly moist during active growth period

Fertilization

Apply balanced, diluted fertilizer once monthly. Cease fertilizing in autumn and winter when growth slows

Banana peel tea:Soak 2–3 chopped banana peels in 5 L of water for 3 days; strain and use to water the base of the plant to avoid leaf burn
Pruning
  • Remove dead or yellowing leaves from the base of leaf rosettes to maintain appearance
  • Trim spent flower panicles after blooming to redirect energy to new growth
  • Thin overcrowded stems in early spring to improve airflow and shape the plant
  • Cut back damaged or frost-bitten stems to healthy wood in late winter to encourage new shoots
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-classified non-toxic; no adverse effects reported for cats

Humans: No known toxic effects for humans; non-irritating to skin or mouth

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Garden Uses & Culture

Culture: In Māori culture, used for food (young leaf shoots), fiber for weaving, and medicinal purposes

Usage: Ornamental garden plant; cut foliage for floral arrangements and event decor