Seating Cards: Grass Table Top

Arg.
I want the seating cards to sit atop a bed of grass at the venue. I bought this wheatgrass growing kit and thought I'd be able to grow lush green grass... look at my results:

Not really lush, is it?

Arg.
So, here's the new idea: I'm looking for faux grass :)

Here's one place--> http://www.save-on-crafts.com/grassmats.html

   

Instead of growing all of the grass, this might be an easier route.