Fontanes' Dutchman's Pipe (Aristolochia fontanesii)

Fontanes' Dutchman's Pipe

Aristolochia fontanesii

Its curved blooms mimic old-fashioned pipes, a quiet woodland beauty. Deciduous climbing vine; common name: Fontanes' Dutchman's Pipe.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Dappled shade to partial sunlight; avoid intense midday direct sun to prevent leaf scorch
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Watering Water deeply when the top 2 cm of soil dries out; avoid standing water to prevent root rot
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Temperature Tolerates mild winter frost down to 5°C; thrives in cool to temperate growing conditions
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Characteristics

  • Leaf: Heart-shaped, matte green foliage up to 15 cm long with smooth margins
  • Flower: Curved pipe-shaped blooms, pale yellow-green with subtle purple internal markings
  • Stem: Slender, woody twining stems that cling to supporting structures
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced organic feed every 2 weeks. Discontinue fertilization in late autumn to prepare for dormancy

Composted banana peel tea:Steep fully composted banana peels in water for 3 days; dilute 1:20 with water for root drench to support flowering and foliage health
Pruning
  • Trim back dead or damaged stems in late winter before new growth emerges
  • Train vines to trellises or supports to maintain desired shape and prevent overcrowding
  • Thin overcrowded growth in mid-summer to improve airflow and reduce disease risk
  • Remove spent blooms after flowering to redirect energy to vine growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed toxic; ingestion may cause vomiting, diarrhea, and severe kidney impairment

Humans: Contains aristolochic acid; ingestion causes gastrointestinal distress and potential long-term kidney damage

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental climbing vine for trellises, arbors, and woodland garden borders