The soil temperature for sweet potatoes that have not yet come above ground should be between 75ºF and 80ºF. When the plants come above ground, the air temperature should not be more than 85ºF. We would recommend a sun screen to keep temperatures at this level.
The soil temperature for sweet potatoes that have not yet come above ground should be between 75ºF and 80ºF. When the plants come above ground, the air temperature should not be more than 85ºF. We would recommend a sun screen to keep temperatures at this level.