Get a couple of these and kiss your grass-stain fears goodbye (and be taken seriously when out on your TKD manoueuvres).
KO Sports Gear - BJJ Gi Kimono - Summer Rip Stop - Green Camo
Rolling on the grass is about the only reason I would ever wear that gi - it's kind of ugly. However, I did find this bit of ad copy from the product page amusing:
KO Sports Gear said:Stand out from the crowd with this digitized Green Camo Gi.
I think someone needs to look up the definition of camouflage.