Nice. I used premium perennial last fall in a strip on one of my plots. It didn't come up strong last year but this year the clover and chicory came in real strong.

My advice is mow it often, as soon as it flowers mow it to a height where you are just knocking the blossoms off. This will make the clover in it come in thicker and will choke out the weeds before they start. I have to mow mine this weekend, the weeds have started coming in.

Here is my patch of premium perennial: