Maple Surface Roots Ruining the Lawn: Topsoil, Shade Grass, or Ground Covers?

A homeowner with two maples causing surface roots and thin grass plans to add 2–3 inches of topsoil and reseed, but has an inground sprinkler system.

Why Topsoil Over Roots Fails

• Shade from maples makes grass thin and weak regardless of soil depth.
• Adding soil >3 inches smothers tree roots, risking tree death.
• Sprinkler heads would need raising—added cost and complexity.

Shade-Tolerant Grass Options (If You Insist)

• Fine fescues (creeping red, chewings, hard) – primary shade species; 3–5 lbs/1,000 sq ft.
• Tall fescue (turf-type) – intermediate shade; 5–7 lbs/1,000 sq ft.
• Perennial ryegrass – intermediate; bunch type, doesn't spread.
• Shade-tolerant Kentucky bluegrass cultivars (e.g., 'Glade', 'Nugget') – still need 4+ hours sun.

Better: Shade Ground Covers

Replace grass under trees with: hosta, periwinkle, pachysandra, sweet woodruff, ferns, bugleweed, wild ginger, lily-of-the-valley, wintercreeper, barren strawberry, or woodland natives.

If You Want a Real Lawn

Remove the maples (including surface roots) and renovate in mid-Aug–late Sept. Start tree removal now for next year's renovation.