Dahlias
Q.

Winterizing Dahlias

Zone Redmond, WA 98053 | Anonymous added on November 9, 2019 | Answered

I have used sand, peat moss and vermiculite over a decade for winterizing the dahlias. Would using shredded paper, not newsprint, also a good medium for winterizing. I live in Zone 8B.

    A.
    A.Answers to this queston: Add Answer
    GKH_Susan
    Certified GKH Gardening Expert
    Answered on November 10, 2019

    The American Dahlia Society recommends storing tubers in vermiculite.

    Since you are in zone 8b, you can leave your tubers in the ground and after frost kills the foliage, cut the plants back and cover with 3 to 4 inches of mulch.

    https://www.gardeningknowhow.com/ornamental/bulbs/dahlia/dahlias-annual-or-perennial.htm

    https://www.gardeningknowhow.com/ornamental/bulbs/dahlia/storing-dahlia-tubers.htm

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