Hydrangea for a small space. Hydrangea arborescence “NCHA4” (Incrediball Blush) was one of the mid-size plants in the trial, with an average height of 4 feet and an average width of 5 feet.

Every June, some gardens are bedecked with the glorious, huge, fluffy pink blooms of big-leaved hydrangea. And some aren’t. “‘Why didn’t my hydrangea bloom?’ is one of… ...