Thryallis (Galphimia gracilis)

Thryallis

Galphimia gracilis

Clusters of golden blooms cascade like sunlight, a cheerful evergreen shrub. Common names: Thryallis, Shower of Gold.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial shade; requires at least 6 hours of direct sunlight for optimal blooming
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Watering Water deeply when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
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Temperature Tolerates mild frost down to 10°C; prefers warm tropical to subtropical temperatures
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Characteristics

  • Leaf: Opposite, elliptical glossy green leaves with entire margins; 2–5 cm long
  • Flower: Small bright yellow five-petaled blooms in terminal clusters; long blooming period
  • Stem: Slender branching stems with smooth light brown bark
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency in hot, dry weather

Fertilization

Feed monthly with balanced diluted fertilizer. Cease fertilization in winter when growth slows to prevent nutrient buildup

Banana peel tea:Soak 2–3 chopped banana peels in 1 liter of water for 3 days; strain and use to water soil directly; avoid overapplication to prevent salt buildup
Pruning
  • Prune lightly after flowering to maintain compact shape and encourage new bloom growth
  • Remove dead or damaged branches to improve airflow and reduce disease risk
  • Trim back leggy growth in early spring to promote bushier, denser foliage
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

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

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

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Garden Uses & Culture

Culture: Associated with cheer and positivity due to its long-lasting golden blooms

Usage: Ornamental garden shrub; container plant for patios and indoor bright spaces