Red Flag Bush (Mussaenda erythrophylla)

Red Flag Bush

Mussaenda erythrophylla

Vibrant bracts mimic scarlet flags, turning shrubs into living celebrations. Evergreen flowering shrub.

Full to partial sunlight (6–8 hours daily) supports abundant bract production; avoid intense midday sun in hot climates to prevent leaf scorch
2–3/week
Moderate
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Plant Needs

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Sunlight Full to partial sunlight (6–8 hours daily) supports abundant bract production; avoid intense midday sun in hot climates to prevent leaf scorch
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Watering Water thoroughly when the top 2–3 cm of soil feels dry; ensure proper drainage to avoid root rot
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Temperature Thrives in warm tropical to subtropical temperatures; protect from frost and temperatures below 10°C to prevent leaf damage
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Characteristics

  • Leaf: Opposite, ovate to elliptical leaves; glossy dark green, 8–15 cm long, with entire margins
  • Flower: Small creamy-white true flowers surrounded by large, showy scarlet bracts (modified leaves) that resemble petals
  • Stem: Woody, branching stems with smooth, light brown mature bark
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Care Guide

Watering

Maintain consistent soil moisture during active growth to support bract development

Fertilization

Apply diluted balanced fertilizer every 2–3 weeks. Avoid over-fertilizing, as this can reduce bract production and cause leaf burn

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours, dilute the tea 1:20 with water, and drench the soil to provide natural potassium without chemical additives
Pruning
  • Remove faded bracts and spent flowers promptly to encourage continuous blooming through the growing season
  • Trim overgrown or leggy branches in early spring to maintain a compact, bushy shape and promote new growth
  • Remove dead, diseased, or damaged stems to improve airflow and reduce pest infestation risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported symptoms from exposure

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

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Garden Uses & Culture

Culture: In Ghanaian Ashanti culture, used in traditional wedding and festival decorations for its symbolic scarlet color

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