ST. PETERSBURG - Greg Cooper recently planted a perfect lawn. It is greener than any pool table, greener than any lawn you have ever seen. Chinch bugsleave it alone. Ditto for weeds. The lawn never needs water, fertilizer or pesticides.One other thing. The lawn at 6547 Fifth Ave. N requires no mowing."I hate mowing," Cooper says. In the near future he hopes to demolish the hated Craftsman 6.0 R