The root flare is where the trunk suddenly gets wider, just before you hit the first roots.
I'd pull back everything (to about 18-24 inches) to get the flare fully exposed, then just put back a thin layer of mulch almost to the trunk. Don't actually get mulch on the trunk.
_________________ Shepherd of the Trees
It is not our part to master all the tides of the world, but to do what is in us for the succor of those years wherein we are set, uprooting the evil in the fields we know so that those who live after may have clean earth to till.
|