A new exciting offering from Dr. Michael Dirr and Bailey Nurseries, Hydrangea macrophylla Twist 'n' Shout® ('PIIHM-I') Endless Summer® is a cross between Endless Summer® and Lady in Red™ and is a reblooming deep pink lacecap with red stems. Fall color is also colorful, turning a striking burgundy red. Bruce Cole of Jackson, New Jersey finds that it is a very floriferous rebloomer. It is also salt tolerant.