Topsoil Lost in Flood: Rebuilding a Pasture on Clay

Creek Flood Stripped Topsoil—Now What?

A PA horse pasture lost all grass and topsoil to flooding, leaving clay. Two scenarios:

If Flood Deposited New Soil

Wait—grass may re-emerge from buried rhizomes or deposited seed. Overseed to thicken.

If Soil Is Gone (Clay Exposed)

1. Smooth/regrade clay.
2. Apply 1–2 inches compost + starter fertilizer.
3. Seed with Kentucky Bluegrass + Tall Fescue mix (use drag harrow for seed-to-soil contact).
4. Mulch lightly with straw.
5. Water consistently until established.

Act fast—bare clay erodes further. Fall is ideal for cool-season grasses.