(Big Leaf Hydrangea) No more pruning off flower buds by mistake! Cityline™ Vienna is the smallest of the Cityline™ series it is naturally tight and compact so it doesn't need to be pruned to stay neat and tidy. The pink or blue showy mop head flowers emerge with attractive cream-colored throats. Prefers high moisture, moisture is a necessity for this plant. Cityline™ Vienna is a knockout flowering shrub, truly dwarf this shrub can be planted in small places. Excellent in groupings or masses, in perennial or shrub borders, as a specimen, screen or hedge. Use in mixed containers, containers, or for fresh and dried cut flowers. Tired of floppy, weak stemmed Hydrangeas, especially when they're in full bloom? The Cityline™ Hydrangea series is the answer. These new and improved hybrids have strong stems with large flowers and vivid colors; each variety has a slightly different color shade. They only reach 1 to 3 feet in height and have a neat, tight habit along with dark green glossy foliage. The short habits of these beauties make it easy to protect them in the winter. Simply rake leaves on top of these little plants to ensure the flower buds are protected. Cityline™ Hydrangeas are what homeowners have been waiting. These maintenance free plants will require no pruning and that results in more flowers the next coming summer. They're all noted for excellent mildew resistance. Cityline™ Vienna blooms on old wood, trim after it flowers, but not after mid August. Flower colors will vary depending upon soil pH and the availability of Aluminum ions. Acid pH soil tends to shift color to blue flowers. Alkaline pH soils have an outcome of pink flowers. Note: An easy way to induce blue flowers to alkaline pH soils is to add one tablespoon of Aluminum sulfate to a gallon of water and soak the roots in early spring. Repeat this treatment once; wait a few weeks after the first application.