The leaves, stems, and tubers of sweet potato vine are not toxic. The tubers are edible, but ornamental varieties were bred to produce lovely foliage, not a delicious crop.
Are sweet potatoes leaves poisonous?
And before you ask if sweet potato leaves are poisonous or not - they're not, they are 100% edible and 100% delish!
How poisonous are potato leaves?
Potatoes have two harmful glycoalkaloids – solanine and chaconine (source). Many other members of the family, including tomatoes, have solanine in their leaves and stems. Humans and all livestock animals are susceptible to solanine poisoning. Luckily, animals are typically smart enough to avoid eating potato plants!
Can you eat ornamental sweet potato leaves?
Instead, you could give the showy leaves of your ornamental sweet potatoes a try. They're full of vitamins and antioxidants, plus they're a good source of fiber. Raw sweet potato leaves have a slightly bitter taste (similar to spinach) but will lose their sharp flavor when boiled or steamed.
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