How much cold can sweet potato vines tolerate? Sweet potato vines can't tolerate very much cold, they will start to die back once them temperatures get consistently below 60° F. However, the tubers in the ground are hardier, and can tolerate brief periods of below freezing temps.
How cold can potatoes tolerate?
Planted potatoes can usually withstand a light frost that happens at temperatures between 29 and 32 degrees Fahrenheit, but a heavier frost can damage your potatoes.
Can you grow sweet potatoes in cold climates?
Sweet potato plants are sensitive to cold, so they should not be planted outdoors until the soil has warmed to at least 60 degrees F. and nighttime temperatures are above 60 degrees F. To help warm the soil, spread black plastic over the planting area for a couple weeks before planting.
What is the lowest temperature for sweet potato vine?
Plant in spring or early summer when all danger of frost is past. Nighttime temperatures should be above 40 to 45 degrees to avoid cold damage. Minimum nighttime temperatures below 55 degrees can delay growth.
Does frost hurt sweet potatoes?
Sweet potato roots continue to grow until frost kills the vines. Roots can be left in the ground for a short while; however, a hard frost can cause damage to roots near the surface. Chilling injury also results to roots when soil temperatures drop to 50°F or lower, and this can result in internal decay in storage.
More useful articles on a similar topic 👇
What seasons do sweet potatoes grow?Can you grow sweet potatoes all year round?
