botanical plate
sweet potato
sweet potato
Sweet potato
Timing everywhere hangs on one number: the local last spring frost. Enter your town for exact dates where you garden.
Days to maturity
90–120 d
Frost
tender
Soil temp
≥ 18 °C
How sweet potato timing shifts by place
Southern-hemisphere places mirror the calendar — their season straddles the new year. Equatorial highlands have no frost at all, so the limiting factor becomes rainfall, not cold. See sweet potato dates for your place →