Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Vincetoxicum

Species:

Vincetoxicum nigrum

USDA Symbol:

CYLO11

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Vine

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug,sep

Bloom Colors:

purple, maroon

Garden & Ecology Notes

Deer Resistant:

Yes

Soil Requirements

Soil Type:

well-drained, fertile loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky, open woodlands

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds germinate readily in spring after cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI