Tubers removed from the ground in fall and stored will sprout after eight weeks. Packing bulbs in peat moss and storing in a cool place with temperatures between 60 and 70 degrees Fahrenheit will promote sprouting.
Tubers planted in containers indoors after being in storage for at least six weeks will take about four weeks to sprout. The tubers can be transplanted outdoors when the weather warms.
Tubers left in the ground in central Florida, where the winters are mild, will continue to grow. In other areas of Florida where tubers can be left in the ground, sprouts are seen in about three to four weeks after the last frost.