In the Southeastern U.S. region, wildly fluctuating temperatures this winter will likely destroy or delay spring and summer blooming on bigleaf (mophead) hydrangeas (Hydrangea macrophylla) (USDA hardiness zones 6 – 9). Other hydrangea species, such as smooth hydrangea (H. arborescens), panicle hydrangea (H. paniculata), and oakleaf hydrangeas, should not be affected. Bigleaf hydrangeas are […]
Archive for February 21st, 2015
YoYo Winter Temperatures– Expect Flower Losses On BigleafHydrangeas
Posted by Hugh on February 21st, 2015
Posted in acidic soil, Failure to Bloom, Hydrangeas, Landscape ideas, Planting tips, Propagation (Cuttings), Propagation (layering), Pruning, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, Trees & Shrubs, winter hardiness, Winter Protection 
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