Tiger Grass (Thysanolaena maxima)

Tiger Grass

Thysanolaena maxima

Tall, arching foliage brings tropical softness to borders. Large perennial grass; common names: Tiger Grass, Nal.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled shade in intense tropical heat to prevent leaf scorch
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Watering Water deeply when the top 5 cm of soil dries out; avoid waterlogging to prevent root rot
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Temperature Thrives in warm temperate to tropical climates; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Long, linear, arching leaves up to 1.5 m long, bright green with smooth margins
  • Flower: Feathery, drooping panicles up to 60 cm long, pale beige when mature
  • Stem: Thick, upright culms forming dense, compact clumps
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Care Guide

Watering

Keep soil consistently moist during active growth periods

Fertilization

Apply balanced organic feed once monthly. Avoid over-fertilizing to prevent excessive foliage growth that weakens culms

Banana peel compost tea:Compost banana peels for 2 weeks, dilute 1:20 with water for root drench; avoid applying undiluted peels to prevent pest infestations
Pruning
  • Cut back dead, brown foliage to ground level in late winter to encourage new spring growth
  • Thin overcrowded clumps every 2–3 years to improve airflow and maintain clump shape
  • Trim spent flower heads after blooming to prevent unwanted self-seeding
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental privacy screen; traditional thatching material in Southeast Asian rural communities