Doug,

Already done, it's called "Indoor/Outdoor carpet" *gd&r*

>George,
>
>Every time I mow my lawn I think to myself that if there was ever a golden opportunity for some company to make money it would be in this area. Think about this idea... Spend some serious $$ and hire a genetic engineering lab (you could probably do this at a university somewhere) and develop a grass that a) stays green, b) is hardy and c) has a real slow growth cycle.
>
>Could you imagine how much you'd make selling a grass that only had to be mowed 3-4 times a year? <g>