But on closer inspections it looks suspiciously like the grass that grows around the patch.
Especially because there are clearly more than one type of grass in it.
So I've decided to re-spread.
Not because of my belief in the product but because I still have half a bag left and might as well use it.
For those of you who are already bored to tears with my blogs about "grass growing," here's a picture of my dog chewing on my pant leg: