Chilean Jasmine (Mandevilla laxa)

Chilean Jasmine

Mandevilla laxa

Fragrant star-shaped blooms wrap trellises in soft white, a romantic climbing vine. Evergreen woody climber; common name: Chilean jasmine.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light with gentle morning sun; avoid intense midday direct sun which can scorch leaf edges
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Watering Water thoroughly when the top 2–3 cm of soil feels dry to the touch; avoid overwatering to prevent root rot
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Temperature Thrives in 15–25°C; protect from frost, as temperatures below 5°C can damage foliage and woody stems
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Characteristics

  • Leaf: Glossy, oval to lanceolate leaves with smooth margins, arranged oppositely on stems
  • Flower: Clusters of highly fragrant, tubular white flowers with five star-shaped lobes
  • Stem: Slender, twining woody stems with small aerial rootlets for anchoring to supports
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Care Guide

Watering

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

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Discontinue fertilization in winter when plant growth slows to prevent nutrient buildup

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours, dilute 1:20, and apply as a root drench; discard solid debris to avoid pest infestations and odors
Pruning
  • Trim back overgrown stems in early spring to encourage bushier growth and increase flower production
  • Deadhead spent flower clusters regularly to promote continuous blooming throughout the growing season
  • Remove damaged, yellowing, or diseased foliage to maintain plant health and improve air circulation
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; cardiac glycosides can cause vomiting, diarrhea, lethargy, and potential heart rhythm irregularities if ingested

Humans: Contains cardiac glycosides; ingestion of large quantities may cause mild gastrointestinal irritation and oral discomfort

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Garden Uses & Culture

Culture: Associated with romance and devotion due to its delicate, highly fragrant blooms

Usage: Ornamental climbing vine for trellises, arbors, hanging baskets, and container displays