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In August's early days, time seem to pause suspended in deep summer. The harvest stills momentarily, bees buzz on intoxicating nectar, and a relaxed mood dominates when it's too hot to do anything but sit in a hammock under the shade trees.
It's during this time that landscapes are filled with the lacey blossoms of hydrangeas. Some have been blooming since June, but by now there should be a pretty display of white, blush, pink, mauve and even deep red varieties. The selection is vast and can be confusing as to which one to choose. Following is an explanation of hydrangea types. Read on to discover the one that is best for your landscape.
Smooth Hydrangeas (Hydrangea arborescens) are better known as Anabelles and are native to the south eastern part of the US. They are the earliest blooming group typically showing flowers in June. Annabelle's family is quickly growing as more members are introduced such as 'Lil' Annie', 'Wee White', 'Incrediball', 'Invincibelle Spirit, and 'Ruby', and 'Mini Mauvette'. Newer versions of Annabelle have either sturdier stems, larger flowers, or a more compact habit. Flower colors are either white or pink and do not respond to soil pH levels. Most hydrangeas in this group can take sun or part shade. CARE TIP: flowers on new wood; prune back to 18" in late fall or early spring.
Big Leaf (Hydrangea macrophylla), also known as mopheads, have large colorful balls of florets. Plant in morning sun and afternoon shade, and playing with the soil pH can generally change the colors from blue, purple, and pink. Mature sizes range from 3-4' tall. CARE TIP: Most macrophyllas die back to the ground every year in our area. In spring, prune off dead wood and fertilize. Varieties to look for: any from the 'Cape Cod' series are hardy to zone 4 and are beautiful!
Panicle Hydrangeas (Hydrangea paniculata) are woody shrubs that can take six or more hours of sun, and have large, cone-shaped flowers ranging from white to shades of pink and red. 'Quick Fire' is the earliest blooming variety, but by August they all are spectacular! Need something compact? Look for 'Bobo', 'Little Quickfire', and 'Little Lime'. Other varieties can grow 6-8' tall making a great living screen. 'Zinfin Doll' and 'Pink Diamond' are among the fragrant varieties. Many panicle hydrangeas are now available in tree form making them the perfect focal point in a small space garden. CARE TIP: Prune back by one third in early spring.
Mountain (Hydrangea serrata) is a smaller group of hydrangeas originating from the mountains of eastern Asia and are hardy to zone 5. The lace-cap flowers are purple or pink depending on the soil pH. Mountain hydrangeas like morning sun for best flowering which bloom on old and new wood ensuring new flowers all season long. Leaves from the 3'x3' shrubs are used in tea. A variety to look for is 'Tuff Stuff' from Proven Winners.
The final group of hydrangeas is Oakleaf (Hydrangea quercifoia). The leaves resemble oak leaves, and the panicles of flowers are lovely lace-like florets in whites maturing to mauves. Leaves turn a deep burgundy in fall adding another element of interest. When grown in full sun to part shade, they can mature 4-6 feet in height. A variety to look for is 'Jetstream'.
Hydrangeas not only add grace to the late summer garden, but cut stems of most varieties can be enjoyed indoors fresh or dried.