Dripline – What Is It?

Q: I saw your Facebook post about covering exposed roots with mulch out to the dripline. What is a dripline?

A: The dripline is an imaginary circular line under a tree’s outermost branch tips, where rainwater drips off the leaves. Because there is usually ample water in that space, a tree concentrates its feeder roots under the dripline and beyond..

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