Persian Shield (Strobilanthes dyerianus)

Persian Shield

Strobilanthes dyerianus

Iridescent purple leaves glow like stained glass under light. Evergreen tropical foliage plant; common name: Persian Shield.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun to prevent leaf scorch and fading of iridescence
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Watering Water thoroughly when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm, consistent temperatures; avoid cold drafts and temperatures below 10°C
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Characteristics

  • Leaf: Oval, lance-shaped leaves with deep green veins and metallic purple iridescent upper surfaces
  • Stem: Erect, green to purplish stems with fine pubescence
  • Flower: Small, pale blue to violet tubular flowers in terminal spikes (rare indoors)
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Care Guide

Watering

Keep soil evenly moist but not soggy; mist leaves to boost ambient humidity

Fertilization

Diluted balanced liquid feed every 2 weeks. Discontinue fertilization in autumn and winter to support dormancy

Banana peel compost tea:Compost banana peels for 2–3 weeks to break down nutrients; steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Pinch back stem tips regularly to encourage bushy, compact growth
  • Remove yellow or damaged leaves to maintain plant health and appearance
  • Trim leggy stems in early spring to refresh growth and promote new foliage
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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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental foliage for indoor decor, container gardens, or warm climate border plantings