Silverleafed Princess Flower (Tibouchina heteromalla)

Silverleafed Princess Flower

Tibouchina heteromalla

Silvery velvet leaves glow against vivid purple blooms. Evergreen flowering shrub; common names: Silverleafed Princess Flower, Glory Bush.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires 6–8 hours of direct sunlight daily for abundant flowering; tolerates partial shade in hot climates
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Watering Water thoroughly when the top 2–3 cm of soil dries out; avoid waterlogging to prevent root rot
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Temperature Thrives in 18–25°C; protect from frost and temperatures below 10°C to avoid leaf damage
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Characteristics

  • Leaf: Oval to lanceolate leaves covered in dense silvery-gray velvety hairs with prominent raised venation
  • Flower: Vibrant 5-petaled purple blooms with bright yellow, elongated stamens
  • Stem: Young stems covered in fine silvery hairs; matures to woody, brown bark
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency during hot, dry spells

Fertilization

Feed with balanced liquid fertilizer every 2 weeks. Cease fertilization in winter to support dormancy; avoid over-fertilizing to prevent leaf burn

Composted banana peel tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Prune lightly immediately after flowering to maintain compact shape and encourage new growth
  • Remove dead, damaged, or crossing branches to improve airflow and reduce disease risk
  • Cut back overgrown stems by one-third in early spring to promote dense flowering growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden shrub, patio container plant, cut flower for floral arrangements