Hi, I live in Long Island, NY and I just finished a patio job and I was planning to seed a lawn now (going with a 15% KBG, and 85% tall fescue, NTEP seeds, 3500 SQFT) but now I plan to seed my backyard in late summer/early fall since its been suggested by so many people. With the patio project, my backyard was all cleaned (removed alot of weeds and crabgrass), brought in topsoil, and graded and now its all clean to seed a new lawn. My dilema is that from now till fall, alot of crabgrass/weed is going to grow. Im just scared that its going to look like how it was before the patio job. Should I just seed now and reseed in the fall? Or should I wait and just combat the weeds? I have a tank sprayer and a hose sprayer (the one that you setup a dial when you place your chemical and attach to the hose to spray) that I can use to spread Tenacity. If I wait to seed in the fall, I plan to use Tenancity now and possibly keep applying it until the late summer so weeds dont grow. Will this work? I also have 41% Glysophate for spot treatments if needed. Any suggestions is greatly appreiated!