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Hydrangeas get sunburned easily so some protection from the hottest part of the day will ensure your blooms stay beautiful all season long," says Dillon. Dig a hole that is larger than the rootball.
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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.
This article is a list of diseases of hydrangeas (Hydrangea macrophylla). Bacterial diseases. Bacterial diseases; Bacterial blight Pseudomonas solanacearum:
If your hydrangeas are outside and established in a garden bed, then make sure to apply a generous layer of good-quality mulch around the base. Jackson recommends doing this at the beginning of ...
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.
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 ...