California Pipevine — Aristolochia californica

Aristolochia californica

A deciduous California native vine with heart-shaped leaves and unusual pipe-shaped flowers in winter or early spring. Train it onto sturdy support or allow it to weave through suitable woodland planting.

Southern California growing guide

• Light: Sun to shade; some shade is helpful in hotter inland gardens.
• Mature size: Approximately 5–15 feet tall and across, depending on support and pruning.
• Water & drought: Moderate irrigation is a useful garden starting point. Established plants can tolerate seasonal dryness, with requirements varying by shade and heat.
• Soil: Adaptable to several soil textures, including suitable clay; avoid prolonged stagnation around roots.
• Growth: Often slow to establish, then increasingly vigorous. Loses leaves seasonally; expect a period of bare stems.
• Wildlife: A larval host for pipevine swallowtail butterflies where those butterflies occur. Caterpillar feeding is part of its habitat role.
• Maintenance: Guide twining stems onto support and prune selectively to control spread.
• Landscape uses: Trellises, fences and woodland edges with room for a substantial vine.

“3/5 Gallon” is a combined container-size range. We confirm the exact container size before collecting payment.

Representative species photograph, not current nursery stock. Photo: peganum, CC BY-SA 2.0, via Wikimedia Commons. No intentional image modifications.