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lawn care August 21, 2026

Holland Mole Ridges After Thaw Are Not Automatic Grub Proof

Tuff Turf Team
Holland Mole Ridges After Thaw Are Not Automatic Grub Proof
Holland mole ridges after freeze-thaw are not automatic grub proof. We map the runs and lift turf before anyone treats larvae.

Holland ridges after thaw are not a grub auto-pay

Ant activity indoors that often traces to West Michigan foundation entry points

After a West Michigan freeze-thaw, mole ridges reopen in soft Holland soil even when last year's traps already came up empty. Grubs can add a food source. They are not automatic just because the lawn heaved. Tuff Turf Molebusters wants ridges mapped and a lift test if someone is asking for grub chemistry. Ridges after a thaw are evidence of digging in soft ground. Larvae under the turf are a separate count.

Grand Rapids inland lots and Holland lake lots share freeze-thaw. They do not share your tunnel map. Photograph ridges, the foundation, and any indoor ant trail that showed up the same week.

Soft soil makes easy work for moles

Heaving lifts sod. Old tunnels collapse and then reopen. Water sits in a low walk. That wet band is attractive to worms and to moles hunting them. A lawn program that ignores the ridges will look like it failed in the one strip that is actually a tunnel roof.

If you had trapping last fall, say so. If raccoons tore sod overnight, that is a different animal. We will not hang one product on "the yard is a mess."

What we will not do

We will not treat grubs because the ridges look ugly. We will not skip mole work because someone read that grubs cause all digging. Contact us with town, photos of ridges, and whether activity is indoor, outdoor, or both. More notes are on the blog.

Closeout maps the runs

Trap or run locations, grub evidence if sampled, and any slab gap still open. Next thaw that file should still make sense.

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