Swanflower

Aristolochia erecta

Native to:
Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Aristolochiaceae
Genus:
Aristolochia
Species:
Aristolochia erecta
USDA Symbol:
ARER

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
60 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
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

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, sandy prairies and grasslands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–60 days
Notes:
Seeds germinate best with light exposure at temperatures between 20-25°C. Germination can be erratic and extended over several weeks.

The above propagation data sourced from Claude AI