Large-leaved Dutchman’s Pipe
Isotrema macrophyllum
Family: Aristolochiaceae (Birthwort family)
Flowering Time: late spring and early summer
Flower Color: yellow-greenish
Growth Habit: woody, deciduous vine
Zones: 4-8
Environment: sunny to partially sunny locations where soils are moist but well drained
Plant Height: climbing plant, 30-40 feet
Spread: leaves can reach up to 12” in width
Tolerates: a variety of climates, including harsh winters
Water: moderate but will do well during drought
Maintenance: fertilize two to three times during spring and summer but survives without adding fertizler
Native Range: Eastern North America
Other uses: quickly produced broad leaves provide good cover