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"Smooth hydrangeas should be left to grow for several seasons then can take a hard pruning down to the ground in the spring," says Dillon. Old wood hydrangeas can be cut back by one third .
Always move potted hydrangeas indoors before the frost. Even a garage or shed can provide more protection than being left on an uncovered porch or deck. This method is especially important for ...
The Southern states fall nicely within the winter hardiness zones of hydrangeas, which range from USDA zones 3 to 9 for panicle and smooth hydrangeas, and zones 5 to 9 for bigleaf and oakleaf ...
Hydrangea flower color changes based on the pH in soil. As the graph depicts, soil with a pH of 5.5 or lower will produce blue flowers, a pH of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas. Hydrangea flower color can change based on the pH in soil.
Hydrangea serrata is a species of flowering plant in the family Hydrangeaceae, native to mountainous regions of Korea and Japan. Common names include mountain hydrangea and tea of heaven . Growing to 1.2 m (4 ft) tall and broad, it is a deciduous shrub with oval leaves and panicles of blue and pink flowers in summer and autumn (fall). [ 1 ]
Hydrangea paniculata, or panicled hydrangea, is a species of flowering plant in the family Hydrangeaceae native to southern and eastern China, Korea, Japan and Russia . [ 2 ] [ 3 ] It was first formally described by Philipp Franz von Siebold in 1829.
Smooth hydrangeas are pruned in late winter, big leaf hydrangeas in late summer, oak leaf hydrangeas in late summer after the flowers fade, and climbing hydrangeas in early spring and long shoots ...
You want to leave plenty of time for the hydrangea to establish its roots before extreme heat or extreme cold sets in. Aim for planting after the last frost in spring. Transplant Hydrangeas in Fall