Java Tea Plant (Orthosiphon aristatus)

Java Tea Plant

Orthosiphon aristatus

Its spurred flowers look like tiny cat whiskers, soft and whimsical. Perennial herbaceous plant; common name: Java Tea Plant.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full to partial sun; tolerates light shade but produces the most blooms in bright, consistent sunlight
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Watering Water thoroughly when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm tropical to subtropical temperatures; protect from frost and temperatures below 10°C
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Characteristics

  • Leaf: Opposite, ovate to lanceolate leaves with serrated margins, glossy green upper surface
  • Flower: Tubular white or pale purple flowers with long, protruding stamens resembling cat whiskers
  • Stem: Square, green to reddish-brown stems typical of mint family plants
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced fertilizer every 2 weeks. Pause fertilization in winter when growth slows

Banana peel tea:Soak 1-2 dried banana peels in 1 liter of water for 3 days, strain, and use to water plants directly to support bloom production
Pruning
  • Deadhead spent flowers regularly to encourage continuous blooming
  • Trim back leggy stems in early spring to promote bushier, compact growth
  • Remove yellow or damaged leaves to maintain plant health and improve air circulation
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans; used in traditional herbal teas for urinary support

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Garden Uses & Culture

Culture: Used in traditional Southeast Asian herbal medicine to support urinary tract health

Usage: Ornamental garden plant; dried leaves used to make herbal tea