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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.
"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 .
The best time to plant hydrangeas is in fall or early spring, and they grow best in garden beds, containers, and as shrub borders, says Mallory Micetich, a home and garden expert at Angi, a ...
Depending on the type, hydrangeas grow in USDA Hardiness zones 3 to 9 (find your zone here). Many can handle full sun, which is considered 6 or more hours of direct sunlight. However in the south ...
It is a deciduous shrub or small tree, 1–5 m (3.3–16.4 ft) tall by 2.5 m (8 ft) broad, growing in sparse forests or thickets in valleys or on mountain slopes. [2] The leaves are broadly oval, toothed and 7–15 cm (3–6 in) long.
Hydrangea macrophylla by Abraham Jacobus Wendel, 1868. Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native to Japan. It is a deciduous shrub growing to 2 m (7 ft) tall by 2.5 m (8 ft) broad with large heads of pink or blue flowers in summer and autumn. [2]
Hydrangeas are brimming with nostalgia, stirring memories of endless Southern summers. When winter arrives, these charming plants need a little TLC to ensure summer blooms return the following season.
There is a distinction between plants that are poisonous because they naturally produce dangerous phytochemicals, and those that may become dangerous for other reasons, including but not limited to infection by bacterial, viral, or fungal parasites; the uptake of toxic compounds through contaminated soil or groundwater; and/or the ordinary ...