Katra wrote:

Plant Hydrangea? ;-)

http://hgic.clemson.edu/factsheets/HGIC1067.htm

I'll pass that suggestion on to the wife, who will break my legs if I
transplant any of her H's., although the Clemson site does have info on
changing soil pH, and a nice chart to use for reduction of pH in pounds
per square feet in a loamy soil (HAH!) in their Fact Sheet 1650, thanks.