Answer: Your zip code places you in zone 6A or the coldest part of zone 6; in this area I would expect the Endless Summer to suffer a certain amount of winter damage each year, possibly killing it back to the ground. However, this particular hydrangea is special in that it is able to bloom on both old and new wood. This means that the plant would need to regrow each summer; it would bloom beginning later in the season and continue until frost on that new growth. (Most bloom only on old wood and are less cold tolerant as well.) Wind protection is important in terms of minimizing winter damage as well as limiting moisture loss, so it is better to plant it in a sheltered spot. Your local professional nursery staff should be able to help you determine if you have a suitable location for this plant. If not, they should be able to recommend plants to try. You can also learn a lot by strolling nearby areas and looking at plants that are thriving in similar locations to your own. Enjoy your new garden!
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