You have probably seen most of this post in the earlier photos but here is some more back story. Once we had finished the beds and laying out our paths we still need to install them. The concrete pieces were all different heights and so we needed to use mortar to set them level and flush to one another.
Once we had set all the stones we reused some existing pea gravel we had on site to fill in the gaps and create a level surface between the stones. We waited about 24 hours before fully walking on the surface and sweeping the excess pea gravel off. When we were done I have to say it looked pretty darn good. When you consider the concrete was free and the bags of mortar are about 6-8 dollars it was pretty cheap. We used some existing pea gravel, but if we had to buy it I would say it was about a yard which is about $80 plus delivery.