This (pictured above) is how to literally *kill* a tree with kindness. Please don’t bury the flare at the base of the trunk in soil or mulch — it will cause moisture damage to the bark and cambium, eventually harming the thing you’re trying to help.
If you’re going to mulch, spread it out in a wide saucer (pictured below), thinnest near (but not touching) the trunk.
(Article courtesy of Toronto Gardens)
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