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"In general, more acidic soil will turn them blue or bluish, while basic soil will turn them a more pink color," she advises. She provided this pH scale for hydrangea colors: Bright blue: 4.5
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.
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.
Acid rain can range between a pH of 5 and 5.5, but it can be as low as 4 in the northeast. "When pH levels are lower, more acidic, you get that lovely blue color" for hydrangeas, Strahan said. How ...
The flowers are a pale green as they emerge and open to a bright white, ageing to either pink or brown (depending on the cultivar/seedling). [4] Hydrangea quercifolia and Hydrangea paniculata are the only hydrangeas with cone-shaped flower clusters (i.e. panicles); all the others have their flowers in ball-shaped or flat-topped clusters, called ...
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.
Here's a closer look at how to care for hydrangeas, including tips on where and how to plant them. The post How to Care for Hydrangeas: 7 Things You Need to Know appeared first on Taste of Home.
Learn the difference between common hydrangeas based on petal types and common colors, and how best to care for each kind.