Magnolia tree stem is black

We have a very old beautiful white Magnolia tree. It was blooming nicely and looks healthy so far. However on the base it is black and wet. We removed some dirt . But still it doesn’t dry out since a…

Black Tulip Magnolia

My black tulip magnolia has some damage to its trunk. How can I repair this? The bark is stripped to the bare trunk – about nine inches and there is a crack in the trunk. I do not want to…