How Do You Care For Hydrangea Colors?
The hydrangea (Hydrangeaceae) is a highly ornamental, deciduous shrub producing large showy blossoms in pink, blue or white. This shrub varies in form from a small version that can be pruned to 3 feet or a tall variety at 25 feet. It needs well-drained soil but ample moisture and flowers most abundantly if grown in full sun. Gardeners are often challenged by its unique characteristic of being able to change the color of its blossoms, often from pink shades to blues and purples or even a little of both. There are a few things that can be done to maintain the color the gardener has chosen. Test the soil at the site of the hydrangea with the soil test kit. If aluminum is present in the soil it turns the pink flower of a hydrangea into a purple or blue or even a dull, dirty pink blossom. Aluminum is commonly found in many soils and the blue blossom of the hydrangea requires aluminum to stay a clear vibrant blue. If aluminum is present, the blue flower has what it needs, but a pink flowerin