It didn't take long for vandals to undo the good work done by Otumoetai College students who planted $10,000 worth of plantings in nearby Sherwood Gully.
The plantings were carried out to support native birdlife beside the Matua salt marsh and Tauranga Harbour.
But, on Saturday, more than 30 shrubs, plants and native trees were damaged during the raid.
Vandals also cut four or five holes in a fence around the sportsfield the same weekend.
Read more: 'Idiot' vandals strike at college