Vandals have destroyed a number of saplings outside Hadleigh Leisure Centre – at a cost of up to £1,000.
It is the second time that saplings have been damaged or broken, with Babergh District Council pledging to replace them all.
The 20 or so saplings were originally planted in 2012, costing about £40 each.
“The damaged trees will be replaced when the maintenance period finishes,” said a council spokesman.
This, he said, was likely to be within the next two months.
When the trees were previously vandalised, it was hoped that CCTV footage could be used to trace the culprits, but police said the images were not of good enough quality to use.
Tracey Loynds, chief executive of South Suffolk Leisure, which runs the leisure centre, said: “It’s a real shame. It’s disappointing that someone would do this.”
Anyone with information should call police on 101.