How do I winterize tuberous begonias?
Lift Tuberous BegoniasDig up begonia tubers carefully. Lift tuberous begonias before the first frost after the leaves begin to yellow. Keep some soil with the tubers. Trim the leaves and stalks to 1 inch from the top of the tuber. Store tuberous begonias for two to three weeks in a cool, dry location out of direct sunlight, such as a garage.DormancyEncourage dormancy after three weeks by removing the remaining dirt, roots and stems from the tuber and surrounding them with peat moss or sawdust. Store tuberous begonias in a location where the temperature is between 40 and 50 degrees Fahrenheit, like a fridge or garage. Do not wash tuberous begonias after lifting them.Plant PreparationRemove large, healthy tubers from storage in February and plant them in peat moss. Cover them and keep the moss moist, and be sure the points are facing up. Move the begonias to a warm room where the temperature is 70 degrees F. Plant the tuberous begonias in pots eight weeks before the last frost. Add suppl
