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PlantSnap
Plant Care
Wild yam
(Dioscorea villosa)
Also Known As
Wild yam, Colic root, American yam
About This Plant
Dioscorea villosa is a species of flowering plant in the yam family. It is a perennial vine that is native to eastern North America. It has a woody, twining stem that can grow up to 6 meters in length. The leaves are alternate, heart-shaped, and up to 15 cm long. The plant produces small, greenish-white flowers in the summer, which are followed by clusters of winged seeds.
Plant Care Instructions
Outdoor Size Range
Up to 6 meters (20 feet)
Light Requirements
Dioscorea villosa prefers partial shade to full sun.
Humidity Needs
The plant prefers moderate humidity levels.
Fertilizing Schedule
The plant does not require regular fertilization, but can benefit from a balanced fertilizer in the spring.
Pruning Guidelines
The plant can be pruned in the fall to control its size and shape.
Common Pests and Diseases
Common pests include spider mites and aphids. The plant is also susceptible to fungal diseases such as powdery mildew.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
The plant prefers moist soil and should be watered regularly.
Temperature Range
Dioscorea villosa can tolerate a wide range of temperatures, from -40°C (-40°F) to 35°C (95°F).
Growing Season
The growing season for Dioscorea villosa is from late spring to early fall.
Growing Difficulty Level
Dioscorea villosa is moderately difficult to grow and requires some knowledge of plant care.
USDA Hardiness Zones
Dioscorea villosa is hardy in USDA zones 3 to 9.
Did You Know?
The roots of Dioscorea villosa contain diosgenin, which is used in the production of synthetic hormones such as estrogen and progesterone.
