Archive for the ‘Bigleaf hydrangea (H. macrophylla)’ Category

Flowering Shrubs of Summer

In several areas of the U.S. (USDA hardiness zones 6-9), summer landscapes along the east and west coast and Southern U.S. are filled with these botanical beauties: Panicle hydrangeas (Hydrangea paniculata) – so many great choices of these hydrangeas, mostly with lime white flowers starting in July into August. Most popular cultivars are ‘Limelight’, ‘Little Lime, […]

Changing Bigleaf Hydrangea Flower Color

                Bigleaf hydrangeas (Hydrangea macrophylla), aka “hortensia” hydrangeas, bear pink flowers in low acidic and alkaline soil and blue flowers in mildly acidic soil. Some tips about regulating soil pH and flower color in bigleaf hydrangeas follows. First, a short review about soil pH. Soil pH measures soil […]