How much sun does Watson's dutchman's pipe need?

Watson's dutchman's pipe grows best in full sun conditions.

When does Watson's dutchman's pipe bloom?

Watson's dutchman's pipe blooms in May, June, July, August, and September.

Where is Watson's dutchman's pipe native?

Watson's dutchman's pipe (Aristolochia watsonii) is native to AZ, NM, per the World Checklist of Vascular Plants (Kew).

What butterflies or moths does Watson's dutchman's pipe host?

Watson's dutchman's pipe is a larval host plant for Pipevine swallowtail.

Is Watson's dutchman's pipe HOA-friendly?

Watson's dutchman's pipe takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Watson's dutchman's pipe

Name: Pollinator Patch
Author: Pollinator Patch

Aristolochia watsonii

Last reviewed: August 2026

Watson's dutchman's pipe (Aristolochia watsonii) is a perennial vine native to AZ, NM. It blooms in May, June, July, August, and September.

Light

full sun

Water

low

Size

6"–12" H × 24"–48" W

Bloom

May, Jun, Jul, Aug, Sep

Native to

AZ, NM

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Browse plants for this ecoregion

North American Deserts Arizona/New Mexico Mountains Chihuahuan Deserts Madrean Archipelago Sonoran Basin and Range

A low-growing, sprawling twining vine with heart-shaped leaves and unusual, mottled purple-brown pipe-shaped flowers that lie close to the ground. Its trailing habit suits it to rock gardens and informal groundcover use.

Growing Watson's dutchman's pipe

Grow Watson's dutchman's pipe in full sun and low water. Mature plants reach 6 to 12 inches tall and spread 24 to 48 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Watson's dutchman's pipe takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: mid zone, backyard only.

unconventional sprawling habit and flowers may not read as tidy to some HOA reviewers
toxic to livestock and pets if ingested

Wildlife value

Host plant for Pipevine swallowtail.

The foliage is a required larval host plant for a native swallowtail butterfly, whose caterpillars feed exclusively on this genus.

Common questions

How much sun does Watson's dutchman's pipe need?: Watson's dutchman's pipe grows best in full sun conditions.
When does Watson's dutchman's pipe bloom?: Watson's dutchman's pipe blooms in May, June, July, August, and September.
Where is Watson's dutchman's pipe native?: Watson's dutchman's pipe (Aristolochia watsonii) is native to AZ, NM, per the World Checklist of Vascular Plants (Kew).
What butterflies or moths does Watson's dutchman's pipe host?: Watson's dutchman's pipe is a larval host plant for Pipevine swallowtail.
Is Watson's dutchman's pipe HOA-friendly?: Watson's dutchman's pipe takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Watson's dutchman's pipe? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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