Hydrangea integrifolia

Very good evergreen climbing Hydrangea that is a tough and reliable vine for shady walls. Large slightly indented leaves are glossy green year round. Self clinging vine that will adhere to virtually any surface- not for the walls of houses or porches- better on fences, rock walls and even as a ground cover. In June large white buds explode into a doily of 6″ wide white flowers. Blooms 2-3 years after planting. To 15′ tall and as wide. Part shade to shade- regular water in full sun. Rich, well drained soil. Excellent cold hardiness to 0ºF. Gains speed as it ages. Avoid blasting hot locations. Woodlands are ideal.

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Hydrangea seemanii

Evergreen climbing Hydrangea with handsome glossy leaves and in early summer on old wood huge white buds unfurl to wide lacy white flowers subtended by larger sterile bracts on the exterior of the flower. . Moderately fast growing self clinging vine for part shade and rich moisture retentive soil. Scales walls, tree trunks to 20′ or more when it really gets going. Cold hardy. Protect from hot afternoon sun. Good appearance year round. Give it a year to begin to cling. It will do it on its own. Regular summer water speeds growth.

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Hydrangea quercifolia ‘Munchkin’

Fantastic smaller scale Oak Leaf Hydrangea that is also a very heavy bloomer with large cone shaped flowers that are up to a 1′ long and protrude in every direction. Densely branching plant to only 3′ x 3′ in 6 years. Flowers have a light fragrance. Large leaves take on pink to red tints in late autumn. Flowers too that remain age to rich pink. Full sun to part shade in rich, moisture retentive soil. Regular summer water. This extraordinary release from the National Arboretum allows this wonderful multidimensional shrub for smaller gardens. Somewhat brittle when young. Site accordingly.

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Biome: ,  |  USDA Hardiness zone: Zn4b -20º to -25ºF
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Hydrangea quercifolia ‘Sike’s Dwarf’

Useful smaller Oak Leaf Hydrangea that maxes out at 5′ x 5′ after 6 years. Large lobed leaves are medium green changing to maroon/red in fall and holding on to the foliage until mid-winter. Cones of true fuzzy cream flowers subtended by larger sterile white florets. Full sun to light shade in rich, well drained soil with regular summer irrigation. Blooms on wood from the current season, may be cut back hard in early spring to control the size. Very easy to grow, long lived shrub with many seasons of interest.

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Hydrangea arborescens ‘Annabelle’

Excellent huge flowering Hydrangea that is the best selection of this species. Globular pure white flowerheads are up to 10″ wide. Upright growing shrub that blooms on NEW wood, which means it can be cut to the ground to resize in early spring. This will also increase the amount of blooming wood. To 5′ x 5′ in 5 years in part shade and rich, well composted soil with regular summer water. Flowers remain and fade to acid green for a continuing effect. Winter deciduous.

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Plant type:  |  Sun exposure: ,
Biome:  |  USDA Hardiness zone: Zn4a -25º to -30ºF
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