Re: Definition of 'cold hardy'- pstem or corm?
Its definately the Corm since that's where the growth starts. The thing you don't know is do the people have their corm buried 12" in the ground then super mulched or what not to get it pull through where they live. I'd say a shallow planted cold hardy corm has less chance of survival. I like my heat-tapes as a equalizer come winter. :^)
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I'm a Nannerhead :^)
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