Garden wall
Outdoor & decks

Build a garden or retaining wall

DIY OK
Stack a block wall up to 4 ft: base, drainage, courses, caps.
0 of 6 answers are yours. The rest are typical defaults — check each one.
Wall length
default
ft
in
Height above ground
default
Visible height when finished. The buried course is added for you.
in
What’s above or behind it?
default
Block size
default
Bigger block = taller wall it can hold. “Pick for me” uses the smallest block made for your height.
Your soil
default
Finish with cap blocks?
Common sizes
10 ft × 2 ft
20 ft × 3 ft
30 ft × 2 ft
Blocks 58
Courses 5