This showy plant with elegant white or blue-tinged flowers adds interest to a garden space but is also toxic to pets and humans if ingested. Potato vine is an evergreen perennial found growing in U.S. Department of Agriculture plant hardiness zones 9 through 11.
Are potato plants poisonous to dogs?
While this is something to be encouraged, potato plant leaves are toxic to dogs, while tomato plant leaves and unripe tomatoes are poisonous to both dogs and cats. Keep an eye out for the common signs of poisoning: Oral irritation. Excessive drooling.
Are purple potato vines edible?
The purple tuberous roots are edible but gardeners who have tried them, say they're not tasty. Some gardeners try saving the tuberous roots overwinter much like dahlias. They store them in a cool dark location. Most gardeners report having limited success and poor growth on the second year plants.
Are potato plants poisonous?
The poison is found throughout the plant, but particularly in green potatoes and new sprouts. Never eat potatoes that are spoiled or green below the skin. Always throw away the sprouts. Potatoes that are not green and have had any sprouts removed are safe to eat.
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