Ti Kouka (Cordyline banksii)

Ti Kouka

Cordyline banksii

It carries sword-like leaves like upright green torches. Evergreen shrub; common names: Ti Kouka, Banks' Dracaena.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; tolerates partial shade, avoid harsh midday sun to prevent leaf scorch
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Watering Water thoroughly when the top 5 cm of soil dries out; avoid overwatering to prevent root rot
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Temperature Thrives in 10–22°C; protect from frost below 5°C to avoid leaf damage
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Characteristics

  • Leaf: Long, sword-shaped, leathery leaves (60–120 cm) in rosettes, green or variegated
  • Flower: Fragrant small white to pale lilac flowers in drooping panicles
  • Stem: Thick, woody, unbranched or sparsely branched stems
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Care Guide

Watering

Keep soil evenly moist but not soggy

Fertilization

Diluted balanced feed once monthly. Avoid over-fertilizing to prevent leaf tip burn

Banana peel compost tea:Use fully composted banana peels, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Remove brown, damaged leaves at the base to maintain a tidy appearance
  • Prune back overgrown stems in early spring to encourage bushier, compact growth
  • Trim spent flower stalks after blooming to conserve the plant's energy
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: In Māori culture, used for weaving traditional textiles and medicinal remedies

Usage: Ornamental garden plant, indoor foliage specimen