birthwort
Aristolochia clematitis
USDA zones6 to 9
SunHandles full sun to partial sun
WaterNeeds moderate soil
Size2 to 3 feet tall2 to 3 feet wide
- Bloom season
- Summer
- Bloom color
- Greenish-white
Garden uses
Notes
Birthwort (Aristolochia clematitis) is a perennial for naturalized areas. It is hardy to USDA zone 6, or down to -10°F (-23°C). This plant likes full or part sun and average moisture. It grows 24 to 36 inches tall and 24 to 36 inches wide. Greenish-white flowers open in early to mid summer. This plant is native from Europe to the Caucasus.
Pairs well with Sweet woodruff, Tickseed, and Fountain grass.
Native range
Europe.