Joseph's Coat (Alternanthera bettzickiana)

Joseph's Coat

Alternanthera bettzickiana

Vibrant variegated foliage paints garden beds like living confetti. Compact ornamental annual; common name: Joseph's Coat.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial sun; bright direct light intensifies foliage variegation
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Watering Water when the top 1–2 cm of soil dries completely; avoid overwatering to prevent root rot
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Temperature Thrives in warm temperatures; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Oval to lanceolate leaves with bold red, pink, or purple variegation on green base; densely packed along stems
  • Flower: Tiny, inconspicuous white or cream-colored spikelets; rarely prominent in cultivation
  • Stem: Succulent, branching stems that form tight, bushy mounds
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced liquid feed every 2 weeks. Avoid over-fertilizing to prevent foliage burn and loss of variegation

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 with water for root drench to avoid nutrient burn
Pruning
  • Pinch back stem tips every 2–3 weeks to encourage bushier, denser growth
  • Remove faded, yellowing, or all-green foliage to preserve variegation and maintain compact form
  • Trim leggy stems in mid-summer to refresh plant shape
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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: N/A

Usage: Ornamental ground cover, edging plant, container foliage, and indoor houseplant