Answer: Your dahila tubers should be dug after frost kills the foliage of the plants. Dig the tubers, allow to air dry, brush off most of the soil, and store them in barely moistened peat moss or vermiculite in a cool (45F -50F) area. Check the tubers in January to make sure they haven't dried out completely. If they're not plump, add just a bit of moisture to the peat moss or vermiculite. In the spring the tubers will sprout eyes. Divide the tubers, leaving one eye on each piece, and replant in the garden. Sometimes tubers can survive winter in the ground, but soggy soil generally turns them into mush. It's best to lift and store them at the end of each season.
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