Coveting blue hydrangeas? The answer is in the soil. You can buy a beautiful blue hydrangea from the nursery, but it won’t stay that way without help. In the absence of the right soil conditions, the ...

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.

Hydrangeas have a long tradition of use in shady Southern gardens. From late April through July, huge flower heads of light pink, pink, rosy-red, lavender, light blue, dark blue, bluish purple and ...