Weeds and Yellowing in a Queens, NY Lawn: Soil Test First, Chemicals Last

A lawn in Queens started green but developed weeds and yellow patches after "Summerguard" application. The homeowner wanted weed and yellowing solutions.

The Problem with "Weed & Feed" Products

Scotts Summerguard contains bifenthrin (insecticide) and fertilizer. Bifenthrin binds to soil, persists, and kills beneficial insects—birds' food, pollinators, predators of pests. It's collateral damage in a bag.

Crabgrass Is Annual—It Can Be Managed

Mow 2–3 times/week at correct height (3+ inches). Never let crabgrass flower or seed. It will disappear naturally if prevented from reproducing.

The Critical Step: Soil Test

Cornell University offers affordable soil testing (css.cornell.edu/soiltest). It reveals pH, nutrient levels, and cation exchange capacity—telling you exactly what to add (or not). Saves money by avoiding unnecessary products.

What "Yard Went Through" Matters

History of compaction, chemical overuse, grading changes, or tree root competition explains current weakness. Share details for targeted advice.

Fix the soil, mow right, skip the chemicals. The lawn will recover.