Digging Dahlias - Knowledgebase Question

Spartanburg, SC
Question by nimalkaf
October 31, 1999
How do I store dahlias over the winter?


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Answer from NGA
October 31, 1999

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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. Here's how to preserve the tubers that develop: 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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