I'm (supposedly) zone 5 here in northern Nevada. The ground freezes and our winter lows are in the teens usually. I've got a rosemary plant that I bought at Walmart about seven years ago in a 1-gallon pot, and it's in the garden and has grown into a huge plant and is still going strong. I mostly ignore it in the winter and make sure it's watered in the summer. Next to it I've also got a huge sage plant, also originally from WM. These plants don't "come back" each year, they have never died. It's out there under a couple inches of snow right now.
Robin
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