Sweet Potato Vine Plant Temperature. How cold can sweet potato vines tolerate. Sweet potatoes crop best at temperatures between 21-26C 70-80F.
A branching creeper vine with spirally arranged lobed heart-shaped leaves and white or lavender flowers are the sweet potato plantThe plant has enlarged roots called tubers that act as the plants energy store. The vines can be planted year-round in US. Container-grown plants can be overwintered indoors when the temperatures drop below 50 degrees and stay consistently below this temperature for an extended time.
During the growing season plants will need a minimum of 22C68F so theyre much happier with some form of protection.
The easiest way is to start your plant off in a jar of water and grow slips otherwise known as tubers. Sweet potato vines are easy to grow. Plant ornamental sweet potato vines in a garden bed once the nighttime temperatures stay above 50 degrees Fahrenheit in the spring. A branching creeper vine with spirally arranged lobed heart-shaped leaves and white or lavender flowers are the sweet potato plantThe plant has enlarged roots called tubers that act as the plants energy store.
