Limelight hydrangeas (Hydrangea paniculata) are robust, bushy shrubs that can grow up to 8 ... from pale green to white and ...

Adding iron or other acidifying agents to pink flowering plants can change their color to purple and blue. Adding aluminum sulfate can deepen the blue color. Hydrangea plants make excellent hedges ...

Discover all you need to know about growing hydrangeas, including care tips, when to prune, and the best way to propagate for ...