A low soil pH allows hydrangeas to absorb aluminum, which turns the flowers a beautiful blue color. As the older flower starts to fade they become green in color. Full sun only with consistently moist soil. Hydrangea arborescens, commonly known as smooth hydrangea, wild hydrangea, sevenbark, or in some cases, sheep flower, is a species of flowering plant in the family Hydrangeaceae. Smooth hydrangea is native to the southeastern United States, so it is right at home in the Southern states. Smooth ( hydrangea aborescens ) While they are all stunning in their own accord, you don’t want to buy a hydrangea online just to not have it match the current design of your landscape. Peely bark adds winter interest on some species. Hydrangea macrophylla, also called bigleaf or French hydrangea, typically has either pink or blue flowers, although a few cultivars have white flowers.Flower color is determined indirectly by the soil pH, which affects the availability of aluminum in the soil. Native to North America, these shrubs can produce flowers up to a foot across once they’ve made themselves at home in your garden. Hydrangeas are unique in that you can control their color. It has long-lasting blooms, and once it begins to flower in the heat of June, it continues on until the chill of the first frost sets in. October 14, 2013. Incrediball Hydrangea is a natural cultivar of Hydrangea arborescens (Smooth Hydrangea). Incrediball hydrangea boasts dozens of giant 12 pure white blooms for over 2 months! Bloom time: June to October. Types of Hydrangeas. While the petals of other types of hydrangeas may change colors because of pH, this is a white hydrangea plant, pure and simple. The most familiar is mophead type with big balls of bloom. For a fall bonus the leaves turn copper, orange and pink, a last dash of color for the landscape. Growing smooth hydrangeas. But the color is so rare–”hydrangea blue” is not a hue that belongs to any other plant or any other anything in the world–that that how could you not want a splotch of it growing against your picket fence?. One of the classic garden plants of the south, this native shrub has graced garden parties, cotillions and firefly-lit picnics for generations. If you want to change or intensify their colors, try these tricks. With this variety, you CANNOT change the color of the blooms through soil pH changes. This hydrangea can grow to 10 feet tall and wide. One of our most common requests is from folks looking for summer blooming shrubs to brighten up shady spots, especially deep shade. Snowhill Smooth Hydrangea (Hydrangea arborescens 'Grandiflora') - sometimes called "Hills-of-Snow Hydrangea" - is a lovely old plant that brings a shot of winter crispness to warm summer days. Browse pictures and read growth / cultivation information about Hydrangea, Smooth Hydrangea, Wild Hydrangea, Sevenbark (Hydrangea arborescens) 'Annabelle' supplied by … If the pH is above 6.0, then the soil has a pH that is too high and you need to lower it (also known as making it more acidic). In early summer, this deciduous shrub produces huge, rounded flower clusters, up to 12 in. This is a large plant with white snowball-shaped flowers. Four species are native to North America, including smooth hydrangea and oakleaf hydrangea. The color of the flowers that bloom on these bushy plants can take on many shades of red, blue, pink, purple, white, and more. Which Hydrangeas Can Change Color? Lower the pH around the hydrangea bush by either spraying the ground with a weak vinegar solution … It’s not every hydrangea that changes color. What you might not know is that it's possible to change the color of pink and blue varieties of hydrangeas by simply altering the pH level of your growing soil. Hydrangeas that are blue are not necessarily better than pink ones. Hydrangea grow well in moist, well-drained soil and when the pH levels go above or below 6.0, the colors of the flowers change. Smooth Hydrangea Smooth hydrangea (Hydrangea arborescens ‘Grandiflora'), also called hills-of-the-snow hydrangea, is a deciduous shrub that is suitable to grow in USDA hardiness zones 3 to 9. Hydrangea Arborescens ‘Ryan Gainey’ – Smooth hydrangea – Native Woodland Hydrangeas – Summer Blooms Even in Deep Shade. Smooth hydrangea (Hydrangea arborescens), also sometimes called hills of snow or snowball hydrangea, is an especially easy-growing type that's native to North America. Zones: 5-11. With these showy, rabbit proof shrubs enhancing your landscape you can relax and enjoy summers and falls filled with incredible blooms. 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