Watson's Dutchman's Pipe

Aristolochia watsonii

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Aristolochiaceae
Genus:
Aristolochia
Species:
Aristolochia watsonii
USDA Symbol:
ARWA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
60 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul,aug
Bloom Colors:
purple, brown

Wildlife Benefits

Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Pipevine Swallowtail (Battus philenor)

Reported Fauna Sightings

Butterflies:Pipevine Swallowtail (Battus philenor)

Garden & Ecology Notes

Wildlife Value:
butterflies
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid desert regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–45 days
Notes:
Seeds benefit from cold stratification and germination may be erratic. Fresh seed germinates better than stored seed.

The above propagation data sourced from Claude AI