Frangipani (Plumeria rubra)

Frangipani

Plumeria rubra

Its waxy blooms carry a sweet, heady fragrance at dusk. Deciduous ornamental flowering shrub; common names: frangipani, red jasmine.

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; tolerate partial shade in extreme heat to prevent leaf scorch
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Watering Allow the top 2–3 cm of soil to dry completely between waterings; avoid overwatering to prevent root rot in poorly drained soil
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Temperature Thrives in 20–30℃; protect from temperatures below 10℃ to avoid leaf drop and cold damage
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Characteristics

  • Leaf: Oblong to elliptical, glossy green, clustered at branch tips
  • Flower: Five waxy petals, ranging from pale pink to deep red, arranged in terminal clusters
  • Stem: Thick, succulent, grayish-brown branches with milky sap
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Care Guide

Watering

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

Fertilization

Apply diluted balanced liquid fertilizer every 2 weeks. Cease fertilization in autumn to prepare the plant for dormancy

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water before applying as a root drench; avoid using raw peels to prevent pest infestations
Pruning
  • Prune in late winter to remove dead branches and shape the plant for better flowering
  • Trim spent flower clusters to encourage continuous blooming throughout the growing season
  • Cut back overgrown branches to maintain a compact, manageable size
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to milky sap; causes oral irritation, vomiting, and hypersalivation

Humans: Milky sap causes mild skin irritation on contact; ingestion leads to mild gastrointestinal upset

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Garden Uses & Culture

Culture: Symbolizes love and hospitality in Hawaiian leis; associated with tropical relaxation and spiritual ceremonies in some Pacific cultures

Usage: Ornamental garden shrub; cut flowers for floral arrangements and leis; used in perfumery for its sweet fragrance