Mottled Dutchman's Pipe (Aristolochia labiata)

Mottled Dutchman's Pipe

Aristolochia labiata

Its curved, pipe-shaped blooms hold a subtle, mysterious charm. Evergreen climbing vine; common name: Mottled Dutchman's Pipe.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; tolerate partial shade, but avoid harsh midday direct sun which can scorch mottled leaves
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Watering Water thoroughly when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in 18–27°C; protect from temperatures below 12°C to prevent leaf drop and stem damage
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Characteristics

  • Leaf: Heart-shaped, mottled green and silver with a leathery, glossy texture
  • Flower: Curved, pipe-shaped blooms with reddish-brown and cream mottling; emits a faint, musky scent
  • Stem: Slender, twining woody vine stems that cling to supports
  • Fruit: Oval, dry dehiscent capsule (rarely produced in indoor cultivation)
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Care Guide

Watering

Keep substrate evenly moist; mist foliage 2–3 times weekly to boost humidity

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Discontinue fertilization in autumn and winter to support dormancy

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching; avoid using raw peels to prevent pest infestations
Pruning
  • Trim overgrown stems in early spring to maintain desired shape and encourage new growth
  • Remove yellowing, damaged, or dead leaves and vines to improve airflow and reduce disease risk
  • Tie twining stems to a trellis or support structure to guide climbing growth
  • Cut back spent flower stems to redirect energy to foliage and new vine growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed toxic; aristolochic acid causes vomiting, diarrhea, abdominal pain, and potential kidney failure

Humans: Contains aristolochic acid, a carcinogenic and nephrotoxic compound; ingestion causes nausea, vomiting, and long-term kidney damage with repeated exposure

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental climbing vine for trellises and arbors; use with caution due to toxic compounds