ST. PETE BEACH, Fla. - In Deborah Rothenberger's yard, you will find a lot of native plants but no grass to mow. "Why keep a lawn? It's so much work. It's so much expense," said Deborah.

For the next year, contractors will visit the Boyd Hill sites to ensure non-native plants don’t take over. Then, it will be St. Petersburg’s responsibility to maintain the site. On Tuesday, the stream ...