To dry out begonia bulbs for storage, break off any stems of roots and then wrap the bulbs in newspaper to start the dring process, sprinkle them with dusting sulfur, and then move them to a medium-cool refrigerator. Learn the whole process in this free video on growing and storing plant bulbs. Expert: Donna Emery Contact: www.glovernursery.com Bio: Donna Emery has been a certified horticulturist for 20 years, has a two year degree in landscape design, and is a Utah-certified nursery professional. Filmmaker: Michael Burton Series Description: You'll love watching humble bulbs grow and blossom into beautiful plants now that you have this guide to growing and storing plant bulbs. Get practical advice from a certified nursery professional in this free video series.