DDimensions.
Landscape · Planting

Planting Bed Depth

Minimum soil depth and bed width to support healthy shrub and perennial planting.

300–900 mm / 12–36 in

Description

Bed depth affects both root volume and visual mass; beds against a foundation should also account for the tree/shrub setback and waterproofing detailing.

Sources

  • Landscape architecture design guidelines

Tags

Values

Perennial/groundcover bedRange
300–450 mm12–18 in
Shrub bedRange
600–900 mm24–36 in