I wintered these over here in Texas and they stood up to our little patches of cold weather very well. They actually froze solid for a day or two just as they were coming into flower, but shrugged it off and went on to yield bag after bag full of large delicious snow peas that remained tender even after they started to balloon. The vines are huge, with leaves the size of a person's hand, and need serious staking. Definitely grow again.
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