Cutting Clerodendrum (Clerodendrum incisum)

Cutting Clerodendrum

Clerodendrum incisum

It bears delicate star-shaped blooms, a soft pop of color in warm gardens. Deciduous flowering shrub; common name: Cutting Clerodendrum.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Thrives in full to partial sun; prefers direct morning sun and shelter from harsh 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; avoid overwatering to prevent root rot and fungal growth
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Temperature Prefers warm temperatures between 18–30°C; protect from frost below 10°C as cold exposure can damage foliage and stems
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Characteristics

  • Leaf: Simple ovate to lanceolate leaves with serrated margins; bright green, 5–10 cm long.
  • Flower: Fragrant star-shaped white to pale lavender blooms in terminal clusters; petals with distinct incised tips.
  • Stem: Slender green to brownish stems with fine pubescence on young growth.
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Care Guide

Watering

Keep soil consistently moist but not waterlogged during active growth

Fertilization

Feed with balanced liquid fertilizer every 2 weeks to support new growth. Discontinue fertilization in autumn to allow the plant to prepare for winter dormancy

Banana peel compost tea:Soak fully composted banana peels in water for 3 days; dilute the tea 1:20 with water before applying as a root drench to avoid nutrient burn
Pruning
  • Deadhead spent flower clusters promptly to encourage additional blooming throughout the season
  • Prune back leggy or overgrown stems in early spring to maintain a compact, rounded shape
  • Remove damaged, diseased, or yellowing foliage regularly to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA does not specifically list this species, but related Clerodendrum species may cause mild oral irritation and vomiting

Humans: Mild gastrointestinal irritation if large quantities of leaves are ingested

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden shrub; cut flower arrangements for indoor display