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All hydrangeas are perennials that come back with their luscious blooms year-after-year, but, within the larger hydrangea family, there are two types: old wood hydrangeas and new wood hydrangeas ...
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 ...
Best Time To Transplant Hydrangeas. Transplanting hydrangeas during the dormant season typically means either transplanting in the fall, after the hydrangea has begun to die back for the season ...
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 similar to H. macrophylla except it is a smaller more compact shrub with smaller flowers and leaves; it is also more hardy. With a rounded habit, it features dark green, serrated (toothed), ovate leaves to 15 cm (6 in) long, and clusters of long-blooming blue or pink lacy flowerheads in mid- to late summer.
Hydrangea quercifolia flowers are borne in erect panicles 6–12 in (15.2–30.5 cm) tall and 3–5 in (7.6–12.7 cm) wide at branch tips. Flowers age in colour from creamy white, aging to pink and by autumn and winter are a dry, papery rusty-brown.
Raise your hand if you love hydrangeas. We knew we weren’t alone. These gorgeous flowering shrubs are some of the easiest and most satisfying to grow in your garden because of their long bloom time.
Hydrangeas are stunning so it makes sense to want them to last as long as possible. However these flowers are known to wilt very quickly. Here are 7 steps to help these beautiful flowers last longer.