Assuming you have a grass lawn, you wouldn’t want to spray roundup on a yard regardless as it would kill your grass also and potentially any non weed plants as

Assuming you have a grass lawn, you wouldn’t want to spray roundup on a yard regardless as it would kill your grass also and potentially any non weed plants as well. There are other herbicides that grasses can tolerate though. In any cases, whatever you use is probably not a cause for concern if you’re following the label directions.