How To Care For Tuberous Begonias Over Winter. Loosen the soil and space the sprouted tubers evenly 46 inches apart laying them in. Leave a small amount of soil around each tuber.
To start this type of begonia will not actively grow through the winter. Tuberous begonias need to be lifted before the first frosts. Take the following steps to save your potted tuberous begonia tubers.
Just make sure the medium is loose well.
To start this type of begonia will not actively grow through the winter. Or else let the plant dry out once you have brought it indoors. Cease feeding with a nitrogen rich fertiliser instead feed lightly with a tomato plant fertiliser. Bring them inside pot and all if theyre potted.

