"fanbball" wrote:

i too grow hydrangeas but my trouble is not with them wilting but with
them changing colors from year to year. does anyone know what that's
all about?

Hydrangeas are unique in that they have the ability to accumulate
aluminum. In acidic soils when aluminum is more available, it is taken
up by hydrangeas. Most hydrangeas have white flowers but some are
affected by the aluminum and produce flowers that are more blue in
acidic soils, flowers that are pink or purple in alkaline soils, and are
cream colored in neutral soils.
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