Climbing Dogbane

Thyrsanthella difformis

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apocynaceae
Genus:
Thyrsanthella
Species:
Thyrsanthella difformis
USDA Symbol:
TRDI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Vine
Height:
600 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
white, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Butterflies:Pipevine Swallowtail (Battus philenor)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers habitats like riverbanks and floodplains

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days

The above propagation data sourced from Claude AI