Volunteers from the Rotherham United F.C. National Citizenship Service (NCS) spent a week at Broadacres Care Home carrying out the work.
Old tyres were upcycled by brightly painting and filling them with compost to create colourful flower beds.
A stunning seascape, depicting waves lapping on a sandy beach, was painted on one of the home’s walls.
The 15-to-17-year-olds also planted a memory tree, made from handprints from the NCS group, as well as residents and friends of the home.
They also sang happy birthday to one resident who turned 92 during their time at the care home, on Naylor Street, Parkgate.
Luke Owens, home manager at Broadacres Care Home, said: “They wanted to get involved because some of their family are suffering from dementia and they wanted to help improve the lives of the elderly.
“They have done an amazing job in the garden and the residents love the new look.
“We’d like to say a massive thank you to the two teams from Rotherham United NCS.”