The only stupid question is the one that is not asked.
I have found that the best time to plant grass seed is right after what is called by most Indian summer. Usually late summer after the real hot weather. make sure you rough up the ground then plant and water the seed well. If you are living in an area where birds are abundant then you might benefit by using a thin layer of straw to protect your new grass seed from being eaten by the birds. Good luck. :)
