Answer: Miscanthus sinensis 'Variegatus' is rated winter hardy to zone 5. Your zip code places you in zone 5A or the coldest part of zone 5. If the planting site is exposed, windy or otherwise extra cold, this may not be hardy for you. I should also mention that it is not 5 or 6 feet tall all year. Each fall after a few hard freezes it turns to straw and is cut down to the ground -- and remains that short until it begins to grow again the following spring. It takes all summer to reach full size. You can also wait until spring to trim it back but in a snowy climate such as yours it tends to flop over and shatter by spring making a big mess. Keep in mind too that it needs full sun to grow well. I hope this helps with your planning.
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