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Grass Over Detention Vault: Engineered Soil Needed

For grass on a concrete vault cover, consult Ernie Higgins at ItSaulNatural (800-301-2887) for lightweight, engineered green roof soil. Proper drainage (weep holes) and soil depth are critical.

About Gardening: Why Mixing Concrete with Soil for Edging Is a Bad Idea; Raised Bed Around Mature Sequoias/Redwoods: Why It's Risky; Sheet Mulching with Newspaper: Topsoil Depth and Immediate Planting for Groundcovers; Revitalizing Compacted Bermuda with Core Aeration, Not Tilling; Fixing Sloped Clay Lawn with Crabgrass and Moss: Total Renovation; Conquering Quackgrass with Cover Crops and Patience; Rejuvenate Your Soil with Cover Crops: A Sustainable Gardening Guide; Dwarf Mondo Grass: No Winter Cover Needed; Planting a Tree Stump Root Ball: Drought-Tolerant Cascading Plants; Safely Covering Exposed Tree Roots with Soil: Guidelines to Protect Tree Health

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