Q: I have an issue with my Pinky Winky hydrangea tree, as you can see from the photo. Early this summer, it developed yellowing leaves, which I’m certain is chlorosis. I’ve had the tree for six years without any issue until now. Is there anything I can do to help this little tree? — Julie H.

A: Pinky Winky is one of the many panicle-type hydrangea cultivars that are well-adapted to many areas of the country, including the Upper Midwest. The cone-shaped flower clusters can be white, pink, reddish-pink or a combination of color shades, depending on the cultivar.

Panicle-type hydrangeas are well-suited to many soil types, including the alkaline soils common in many Upper Midwest locations. They aren’t the hydrangea type that changes from blue to pink based on soil pH, which are not widely

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