Dahlias - Knowledgebase Question

Methuen, Ma
Question by johnchaff
October 12, 2009
Proper winter care for dahlias tuber clumps. I live in the New England area.


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Answer from NGA
October 12, 2009

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Although Dahlia tubers can survive if left in the ground all winter, it's chancy, and you may lose them to rot if the soil stays too wet. Here's how to preserve your dahlias: after frost has nipped the foliage and stems of your Dahlias, cut the foliage down to the ground. Then carefully dig the tubers and lay them in the sun for a few hours to dry. Then shake off excess soil. You can store them in sawdust, dry sand, peat moss or vermiculite in a cool (40F - 45F), dark place. In the spring the tubers can be divided before they are planted. Each swollen tuber that has a bud forming at the stem end can be cut away from the others and planted. Cut with a sharp knife, taking part of the original stem with each division. Hope this information helps you increase your inventory of Dahlias!

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