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The best time to plant hydrangeas is in fall or early spring, ... while basic soil will turn them a more pink color," she advises. ... Purple/blue and pink: 6-6.5 Pink: 7.0 or higher. To make your ...
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.
"Autumn is the best time to plant hydrangeas, followed by spring planting. Plan to plant in the spring after the last frost or in the fall before the first frost," the Old Farmer's Almanac says .
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.
"This year is going to be a fantastic hydrangea year."
"Eminent panicle hydrangeas." Posts from the Collections, Arnold Arboretum of Harvard University website, 15 July 2019. Retrieved 2 October 2019. Rose, Nancy. "A Parade of Hydrangeas." ARBlog, Arnold Arboretum of Harvard University website, 2 July 2016. Retrieved 2 October 2019.
Hydrangeas of all types need some sun to bloom. Most types prefer full to part sun, though they do best with afternoon shade in hot climates. Mountain hydrangeas will tolerate more shade than ...
Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".