Do you have a Michaels in the area? If so then go back to the craft section where they have the terracotta pots. There is a product there called Pot Toppers. The are the best looking grass I have ever seen.. It has a variety of height and the color is near actual color but it will require painting. Just separate the mat so that you only use the outermost green layer. It has a layer of cotton and a backing of red wood chips. Trust me.. It's good looking stuff..
Here is a link: http://ardleybridge.fotopic.net/c1501517.html
I have some of the Silfor and vairous grass mats and they don't hold a candle to this stuff for variety and cost.. A Silfor mat is very expensive but the Pot Toppers are $3