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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
Many can handle full sun, which is considered 6 or more hours of direct sunlight. However in the south, hydrangeas do best with morning sun and afternoon shade, says LeCompte.
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.
Floral pigments in Hydrangea are affected by the presence of aluminum ions in the soil, causing changes in flower color from red, pink, blue, light purple or dark purple. [ 4 ] There has been one non-chemical example found within Caesalpinioideae , a single sub-family of Fabaceae where the folding of petals cause changes to the color patterns ...
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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.
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.
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.