Hydrangea macrophylla (Bigleaf Hydrangea): This variety is most commonly affected by soil pH. It includes both Mophead and Lacecap types. The color change is most dramatic in these hydrangeas.

If you've always wanted pink and purple French hydrangeas but your plants stay stubbornly blue, try this soil amendment ...

It all comes down to soil pH. There's an old gardening myth that you can turn hydrangeas blue by burying pennies or nails in the soil. Unfortunately, this particular wisdom isn't true, but there are ...

Hydrangeas one of the top ornamental plants in the country - but they have a special place in Cape Cod. Dubbed the signature plant of the area, the naturally acidic soil and mild winters of coastal ...