Penny Mac Hydrangea

Hydrangea macrophylla is a big leaf hydrangea. The big leaf hydrangeas blooms are produced on old wood therefore should be pruned in summer after plants finish blooming and strong new shoots have developed from the base.
Depending on your soil Ph, your blooms will turn either pink (alkline) or blue (acidic). To change blooms to blue add aluminum sulfate or add lime to change blooms to pink. This should be done late fall or early Spring. Dead head spent flowers to promote more blooms. Make sure to prune out weak or damaged stems immediately.

Garden Style:
Cottage, Courtyard, Formal
Other Uses:
Hedges, Flowerbeds, Borders, Screens, Cut Flowers, Dried flowers, Easy Care, Gift Plant

Penny Mac Hydrangea - HYDRANGEA m. 'Penny Mac'. 4-6' tall, 3-4' spread, full sun-part shade, early summer-early fall bloom. Named after the woman who started the American Hydrangea Society, this hydrangea deserves a spot front and center in the garden! Blooms tend to be blue in acid soils and pink in more alkaline soils. Blooms repeatedly throughout the summer with minimal care. Blooms on old wood. Zones 5-8. Potted in 1 quart pot.