Answer: Your hydrangea might possibly do better in a more protected location. It blooms on old wood (meaning the previous year's growth) so any winter damage to the stems or tip damage due to late spring frosts will destroy the flower buds for the coming season. The plant can certainly regrow after being winter-killed to the ground, but unfortunately you won't have any flowers. In your area, full sun and a very sheltered spot plus some winter protection might help, but you are really quite far north for the plant to do well at all regularly. Good luck with your hydrangea!
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