The main limit to controlling weeds with a weed and feed is that you must wait until it is time to fertilize the lawn before ...
The only lawns in New York and New Jersey that need fertilizer in June are those that are newly seeded or lawns in cooler geographic areas where they're not yet fertilized,' writes Kate Copsey.
“Your lawn does not need much fertilizer in the spring because it ... and will grow vigorously throughout June-September. If you have warm season grass, you can feel free to apply fertilizer ...
Now is the time to apply the first dose of a pre-emergent herbicide to prevent germination of the annual weeds.