Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 ...

Concrete blocks lend themselves to easy ... concrete walls can come in a variety of colors and textures. However, poured concrete retaining walls have a few drawbacks you must fully understand ...

It is just very difficult for new plants to compete with tree roots, especially in the shade. Add organic matter to the ...