Building Raised Beds for Perfect Drainage: A Step-by-Step Guide

Plants needing good drainage suffer in heavy soil—some bloom lushly, others die bloated deaths. Match plants to your soil, or fix the soil with raised beds.

Test Your Drainage

Dig 10-inch hole, fill with water. After draining, refill. If second fill remains after 10 hours, drainage is poor—unacceptable for most plants.

Raised Bed Solution

Build border, add soil/compost to raise bed 5+ inches above grade. Dramatically improves drainage with minimal effort.

Construction: Two Scenarios

On Bare Soil (Easier)

Use 2x4s for borders. Add soil and composted manure. Adjust ratios based on planting timeline (account for settling).

On Existing Sod (More Work)

Cut sod perimeter, flip upside down. Sharp tool essential. Add straw layer to suppress grass regrowth. Then add soil/manure as normal.

Planting in Raised Beds

Standard planting process. Critical: roots must not extend into original saturated soil—that defeats the purpose.

Immediate Benefits

• Better root development in added soil
• Reduced evaporation
• Discouraged decomposition
• Ideal environment for almost any plant

Adjusting your yard's topography is simpler than you think—long-term results justify every bit of effort.