front yard is on a slope and i have a huge tree that has outgrown the box someone put around it. The tree roots are all over so i cant build on top of them. any ideas?

Another alternative to building a larger box is to try and establish a ground cover in the area. Some ground covers require very little maintenance, one of my favorites is Vinca. It has periwinkle like flowers and the leaves are medium glossy green. Does quite well. Building a bigger box around the tree has some potenital disadvantages to it, one is that by filling in with topsoil etc around the roots you may restrict the trees ability to uptake air and water. And this can be a factor in whether or not the tree will live.

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