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Apr 27, It is true that pine needles have a pH of to (neutral is ) when they drop from a tree. They are a good mulching material that will keep the moisture in, suppress weeds and eventually add nutrients back to the soil. Sep 27, Soil pH for Pine Trees # Asked September 27,PM EDT. Hi, I'm trying to establish a 1/4 acre stand of pine trees on my established lawn.

My soil pH came back atwhich is going to be a problem. I suspect this is due to the previous owner liming the crap out of the lawn, but I digress. Anyway, I've read all the advise about. Jul 13, Pine needles are acidic (pH of to7 is neutral) when they are living, green, and growing on the tree.

This much is true. And that’s probably how the whole things shrubclean.barted Reading Time: 6 mins. Jul 13, Pine tree needles are acidic when they fall, with a pH around As they decompose, the pH of the needles raises to more neutral levels. Over many decades, the fallen pine needles. To use pine bark mulch, simply apply at least an inch of the mulch to the surface of the soil around plants. Reapply the mulch as it breaks down and blends in with the soil over time.

Oak Leaves. The soil in my organically rich one acre pine forest with nothing added but naturally fallen pine needles has a ph of - The pine trees in that area drop inches of needles throughout the year and are allowed to accumulate. Your soil has a certain pH level which is expressed as a number between 1 and A value of 1 is extremely acidic, a value of 14 is extremely alkaline (or basic) and a value of 7 is consider neutral – neither acidic or alkaline.

Most plants prefer a value of around Most plants will grow just find with a pH in the range of to