They sure did get the name right on this one! The Incrediball Blush Smooth Hydrangea is a incredibly cold hardy North American native flowering shrub that sails through winters in USDA Zone where the average low winter temperature dips to -40F. Over an incredibly long bloom period from summer reblooming all the way to frost, this beauty produces an abundance of incredibly massive clusters of soft pink flowers perched atop sturdy stems. The blooms are as large as they come and perfect for cutting and use in fresh and dried flower arrangements. Smooth hydrangeas of the easiest and most reliable types you can grow, especially in cold climates. They can be grown in full sun in cooler climates but will appreciate afternoon shade in warmer climates. Get all the details below!