Anyone know of a cultivar hardy to zone 6? I dont want to have to cater a microenvironment for them on my family farm since I will have them out in the open. I am in zone 7a and if they are hardy to zone 6 they'll survive here fine without help. Anyone know? I was told they have an excellent tuber for eating.
Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner
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