Plant your Summer Crush Hydrangeas 1824″ apart from plant center to plant center for a seamless planting at maturity. Space them over 3 feet apart for space between plants. Looking to change your bloom color? Check out these Endless Summer color kits! Common Name. Summer Crush™ Hydrangea | Endless Summer. Scientific Name. Hydrangea macrophylla 'Bailmacfive' PPAF. Brand. Endless Summer ...