OT-PLANTS: leaves and soil pH


>I never tested the soil where mine grow, but
>it is under oak trees and I'm sure it is not alkaline.

Rick's helpful comments remind me that I want to ask you smart people about
oak leaves. I have always assumed oak leaves make soil slightly acid, but
this year I had the soil in the "woodland" portion of my yard tested and
darned if it wasn't alkaline! The area's shaded by a large mulberry and a
large oak. For years I've just assumed this would be a neutral-to-acidic
environment.
I didn't really believe the test results until a hydrangea planted there
bloomed for the first time, just as pink as pink could be.

The fellow who lived here 30 years ago did a lot of landscaping, so the
soil may have been imported. Still, you would think 30 years of
leaf-dropping would have some effect on surface pH.

What's the story on oak leaves (and perhaps mulberry)? Acid soil or
alkaline soil?

celia
storey@aristotle.net
Little Rock




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