Dutchman's Pipe Vine (Aristolochia macrophylla)

Dutchman's Pipe Vine

Aristolochia macrophylla

Its pipe-shaped blooms evoke old-world whimsy, a climbing vine with dramatic foliage. Deciduous woody vine; common name: pipevine.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Partial sun to bright indirect light for optimal blooming; tolerates full shade but produces fewer flowers
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Watering Water deeply when the top 5 cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Cold-hardy to USDA zone 4; tolerates freezing winters and warm summer temperatures without damage
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Characteristics

  • Leaf: Large, heart-shaped, glossy green leaves up to 30 cm wide, arranged alternately on woody stems
  • Flower: Curved, pipe-shaped blooms in greenish-brown to purple hues, emitting a faint scent to attract pollinators
  • Stem: Woody, twining stems that cling to supports for vertical growth
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Care Guide

Watering

Keep soil consistently moist during active growth periods

Fertilization

Apply balanced organic fertilizer once monthly. Avoid high-nitrogen fertilizers to prevent excessive foliage growth at the expense of blooms

Composted banana peel tea:Soak fully composted banana peels in water for 3 days, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations and odor
Pruning
  • Prune in late winter to remove dead, damaged, or overcrowded stems and control vine spread
  • Thin dense foliage to improve airflow and reduce risk of fungal diseases
  • Trim back wayward vines to maintain desired shape and prevent overgrowth on supports
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion causes gastrointestinal distress, kidney damage, and potential long-term organ failure

Humans: Contains aristolochic acid, which is carcinogenic and nephrotoxic if ingested; skin contact may cause mild irritation

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Garden Uses & Culture

Culture: Symbolizes whimsy and protection in some Eastern U.S. folk traditions

Usage: Ornamental climbing vine for arbors, trellises, and garden walls; host plant for pipevine swallowtail butterfly caterpillars