The next generation of 'Limelight' is here! Introducing Limelight Prime® hydrangea. In a very short time, Limelight hydrangea became one of the most popular plants ever - but that doesn't mean that there wasn't room for improvement. So we've spent years developing this new selection that does everything better than the original, from bud to bloom and beyond. Here's how Limelight Prime hydrangea is different: Blooms much earlier, creating a longer display. This is especially valuable in colder climates, where 'Limelight' might not bloom until late August. bolder, brighter color. As the green blooms age, they develop pink and red tones that are far more vivid and showy than conventional panicle hydrangeas. stronger stems. Though strong stems is a crucially important factor in the panicle hydrangeas we select for Proven Winners ColorChoice Shrubs, you can count on Limelight Prime to hold its big blooms up all summer long. useful smaller size. Limelight Prime reaches a very garden- and landscape-friendly 4-6'/1.2-1.8m tall and 4-5'/1.2-1.5m wide.