The Pink Dynamo® mountain hydrangea (Hydrangea serrata 'Pink Dynamo') closely resembles bigleaf hydrangeas in that it thrives in zones 5-9 and grows up to 3 feet. However, mountain hydrangeas can ...

It's that time of the year when certain hydrangeas bloom. There are 30 different types of hydrangeas for sale. Here are the five most common types.