How To Care For Sweet Potato Vine. Take cuttings from the main vine that are at least four inches long. The easiest way is to start your plant off in a jar of water and grow slips otherwise known as tubers.
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12 rows Sweet potato vines are easy to grow from existing plants. Sweet potato vines require regular fertilizing and spraying of insecticides as they are prone to many. Sweet potatoes crop best at temperatures between 21-26C 70-80F.
Water regularly during the first 2 years after planting.
Keep greenhouse plants well watered and feed every other week with a high-potassium liquid feed. The easiest way to propagate the sweet potato plant is through cuttings. Ornamental sweet potato vine. Try to dig the sweet potatoes on a dry overcast day.