Tuff Stuff mountain hydrangea lives up to its name. Because it grows wild on the chilly mountain tops it naturally developed substantially better cold tolerance. The sturdy lacecap blooms will be bright pink or deep purple-blue, depending on your soil pH, and the handsome dark green foliage resists wilting. If you've had trouble getting big-leaf hydrangeas to bloom reliably in your landscape, try Tuff Stuff - it's the reblooming hydrangea that really does. Prefers partial shade but can tolerate full sun as long as the soil is moist. Grows 3-4 ft tall and wide.