[Comment: A weed or two is no big deal. With regular maintenance, they are easy and cost effective to pull out by hand Weeds are nothing to be afraid of. Herbicides are way more dangerous.]
Exclusive Golf Course Is Organic, So Weeds Get In
http://www.nytimes.com/2010/08/17/sports/golf/17vineyard.html?_r=1
http://www.nytimes.com/2010/08/17/sports/golf/17vineyard.html?_r=1
"Standing alongside the 13th green at the Vineyard Golf Club on Martha's Vineyard, Jeff Carlson spotted a small broadleaf weed between his feet. As the superintendent charged with maintaining the club grounds, he instinctively bent to pluck it, then stopped."