Zone 8 admit a striation of Southern United States Department of State , in addition to a strip through the states on the West Coast and through some of the states on the East Coast . Several varieties of hydrangea can grow in these areas with no wintertime shelter . Most hydrangeas develop best in rich acid soil in fond shade to full nuance . The leaves often wilt during periods of direct sunshine or intense heat energy , but regular irrigation can minimize the wilt .

Bigleaf Hydrangeas

Bigleaf hydrangea ( Hydrangea macrophylla ) are also recognize as French hydrangeas or garden hydrangea . They have great , coarse - textured leaves and arise 2- to 6 - feet marvellous and wide-cut , reckon on the variety . The pH of the filth affects the color of the blossom . Acid soil bring forth aristocratic flowers , while alkaline soil bring out pink blossom . There are two types of bigleaf hydrangeas . Mophead or hortensia hydrangea have large ball - shaped clusters of flower . Lacecap hydrangeas have bloom compose of a center of pocket-size flowers surrounded by a circle of larger showy flowers . Both types prefer afternoon tint . The Endless Summer bigleaf hydrangea has intense pinkish or gamey flowers that re - bloom throughout the season . Nikko Blue has medium pinkish or blue flower and also re - blooms . The blossom of Blue Wave lacecap hydrangea are rich blue or pink , and the large blossom of Beaute Vendomoise are pale pink or blue .

Oakleaf Hydrangeas

The flowers of oakleaf hydrangea ( Hydrangea quercifolia ) begin as a easygoing green colour that lightens to a creamy white . In late summer , the blossoms turn pink , rose or violet - garden pink . The large coarse leaf that resemble oak leaves are grey - green in the spring and turn dark light-green in the summertime . The capitulation foliage is ruddy , yellow and bronze . Twisted offset and uncase cinnamon - colored bark add wintertime pastime to the garden . Oakleaf hydrangeas mature 4- to 8 - feet marvelous , and circulate by belowground stems . They grow well in partial nuance to full nicety . The Snowqueen oakleaf hydrangea arise up to 8 - feet improbable and tolerates more sunlight than other varieties . Alice also tolerates sunshine and has large clusters of rose - pink flower .

Pee Gee Hydrangeas

Pee gee hydrangeas ( Hydrangea paniculata ) have gravid conelike clusters of white flowers that change state purplish - pink in late summer . They have narrow , slightly hairy leaves and get 6- to 20 - feet marvellous . The vertical stem tend to sag with the weight of the flowers . Pee gee hydrangeas will produce in full sun with adequate irrigation or in partial nicety . Brussel ’s Lace pee gee hydrangea is a thick plant that grows 5- to 7 - feet tall and has lacy blossom . Tardiva has an vertical manakin and efflorescence by and by in the time of year in September and October .

Smooth Hydrangeas

politic hydrangeas ( Hydrangea arborescens ) uprise 3- to 4 - feet marvellous and spread out by undercover shank . They have great leaves , and the sonorous mounds of white blossom make the stems to droop . tranquil hydrangeas choose partial shade to full shadowiness . The mounds of flowers on Annabelle politic hydrangeas can grow up to 12 - inches in diameter . Hills of Snow or Grandiflora have a more just kind and 6- to 8 - inch mounds of flowers .

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