This can occur naturally, but in the suburban landscape it's Green Industry professionals that often cause the problem. This is due to the homeowner’s addiction to mulch and our own annual spring process of over mulching, which creates what's commonly referred to as mulch “volcanoes.”
Although improper planting techniques and “mulch madness” are part of the problem, the plants that you, the landscape contractor, purchase from growers and re-wholesalers are often already in distress. As Chisholm points out, the trees may be planted too low in the container or when they're balled and burlapped.
Show: Why Should I Care About Tree Care
Date: May 1, 2013
To listen to the full show, CLICK HERE.