Air potato vine

Air potato vine is a non-native vine that can quickly grow 60 to 70 feet in length. It is covered with large, glossy, heart-shaped leaves and produces large numbers of potato-like, aerial tubers along its stems.

Q: I have a vine growing in my landscape that produced a crop of weird, Irish potato-like fruit with warts. One vine has grown to the top of a tall oak tree. What is this vine called and is the fruit edible?

A: Your vine is known as air potato vine, but it’s also known as tater vine in other parts of the South. Air potato vine is believed to have been introduced in Florida during the early 1900s as an ornamental. The vines grow vigorously (up to 60 to 70 feet in length) up tree trunks or over wood fences, but the plant is difficult to control.

Dr. William Johnson is a horticulturist with the Galveston County Office of Texas AgriLife Extension Service, The Texas A&M System. Visit his website at aggie-horticulture.tamu.edu/galveston.

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