The planting pit is excavated in the existing subgrade to match the rootball depth, with a width equal to two times the rootball diameter. Amended backfill surrounds the rootball, topped with a minimum three-inch layer of mulch. A water retention berm surrounds the planting area at the surface.
EXISTING SUBGRADE AMENDED BACKFILL GRASS (SEE PLANTING LEGEND) 3" MULCH MIN. WATER RETENTION BERM ROOTBALL DEPTH 2 x ROOTBALL
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