So my husband bought some weed killer, the kind you attach the bottle to the hose and spray on the weeds. We sprayed the weeds in a part of the yard that has no grass yet with the hopes that the weeds would die off and not blow seeds into the existing grass. This is the kind of week killer meant for lawns, but we don't actually have a lawn in that area. It says that pets can reenter the area after the poison dries. These are not weeds that the chickens eat, but they have been known to go through those weeds looking for the bugs on them. Do you know if or when it will be safe for them to return to that area? I really have no way to keep them out when they are free ranging because they can fly over the fence into the yard. How long will residue stay on the ground or on the plants and if the bugs eat the weeds and they eat the bugs, is that a hazard. I have them cooped for now, but they are not happy about being left in all day.