Here is the full list of all 9 Garden Rescue achievements.
100 opponents dropped by the lawn mower.
All levels completed on 3 stars!
10 levels completed in a row on 3 stars.
More than 50 enemies sprung out during the whole game.
3000 coins accumulated during one level.
10 times played the same level.
50 enemies liquidated by mines.
More than 1000 opponents defeated.
More than 100 plants put.