We wanted to fix our sloped yard without spending a fortune, so we built a DIY boulder retaining wall. It’s strong, simple to build, and blends beautifully into the landscape.

A sloping garden means it's a little more tricky to design and plant. Here are plants that thrive in hilly locations.

Q: My house foundation was poured on a sloping lot. I stopped by just after the forms were stripped from the foundation, and I think the foundation was poured too deep. The ground on one side of the ...