Will Dahlia stay hardy in my zone (#6)?

15 years ago

Hi all

Last fall I had to dig out my dahlia and planted them back in this spring. This time I have planted them 6" below the ground level. So this fall if I don't dig it out and mulch them well and cover it with plastic, will they stay hardy and come back next year?

Have any one tried this before? Or should I not take this risk?



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