Check out this progression from one of my customers from 2021. This was just about an entire yard project but you can see a few patches of of existing turf. I believe this yard was sprayed for weeds prior to the plugging project. His began plugging in June 2021.
Pic#2 is about 3 weeks after plugging
Pics #4 and 5 were at 8 weeks after plugging.
Here's what the customer said, "How's that for time travel? 8 weeks and the bare area is lush!".