The soil under Niagara is old lake bottom, heavy clay that packs down tight under mowers and kids and winter until roots have nowhere left to go. Plugnalawn Lawn Aeration answers that with the least glamorous and most useful pass of the year, pulling cores out of the turf in September, scattering them to melt back down, opening the ground so water, air and new seed can get where they need to be. Overseeding follows into those holes while the nights are cool and the ground still holds its summer warmth. It is unshowy work that shows itself eight months later, in an April lawn that came back thicker than the one that went into the cold. Between those visits, routine mowing and care keep the whole thing on track.