How to Build a Raised Bed + Raised vs. In-Ground vs. Container

GardenDraft Team · April 24, 2026 · 7 min read

Part of: Garden Planning Guides · Raised Bed Gardening Guides

Building a raised garden bed is the fastest way to a productive garden: you skip the slow work of fixing native soil and start with a clean box of exactly the blend you want. Building one is a beginner-friendly afternoon project, and the dimensions matter more than the carpentry. Get the size right and a simple bed will outperform fussier builds for a decade.

Should you even build a raised garden bed? A quick comparison

Three ways to grow, each with a clear best use:

• In-ground is cheapest and needs no materials, but you're stuck improving whatever soil you have, and drainage can be poor. Best where native soil is already decent.
• Raised beds give you control over the soil, warm earlier in spring, drain well, and are easier on your back. Best for poor, rocky, or compacted ground, which is why they're so popular.
• Containers win where there's no ground at all — patios, balconies, renters; see container vegetable gardening.

If your soil is bad or your back is worse, raised wins.

Size it for reach and root room

The single most important dimension is width: keep a bed no more than 4 feet across so you can reach the middle from either side without stepping in and compacting the soil. Length is up to your space. For depth, 10–12 inches suits most vegetables, more for deep-rooted crops or beds on a hard surface. Leave wide enough paths between beds to kneel and run a wheelbarrow.

Materials and a simple build

Untreated cedar or larch resists rot naturally and is the classic choice; cheaper options include standard lumber, galvanized stock tanks, or concrete blocks. Avoid old railway ties and anything that may leach chemicals into food crops. The build itself is just a bottomless rectangle: cut four sides, screw the corners to posts or brackets, level it on cleared ground, and line the base with cardboard to smother grass beneath.

Fill it right and plan the planting

A new bed is only as good as what goes in it — get the depth, mix, and filling order from how to fill a raised garden bed before you plant. Then make the most of that rich, deep soil with intensive planting: lay it out with how to plan a vegetable garden and grid it with square-foot spacing.