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 to 8 ...

Stacked stone walls or block retaining walls make good choices for vertical gardens as they have plenty of nooks to tuck plants into. If you plan to create a vertical garden retaining wall, consider ...

Lowe Larretta is former lead editor for Forbes Home, covering all things related to home improvement and good design. She previously worked in the decor and lifestyle spaces for digital publishers ...