Tired of hydrangeas that don't bloom? Tiny Tuff Stuff mountain hydrangea (Hydrangea serrata) will not disappoint. The bud-hardy rebloomer is covered in delicate lacecap blooms even after harsh winters.
HGTV HOME Plants - Peppermint Swirl™ hydrangea in blue. Hydrangea bloom color depends on soil pH. Change your hydrangea blooms from pink to blue by adding aluminum to the soil and lowering its acidity (consult your local garden center).