On Sale: GamesAssetsToolsTabletopComics
Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs
Tags

so you could make it like the original that the plant selection are UI Buttons to click on with the mouse, and the placing of the plants is decided by MousePositionToWorldSpace or something, so that you can click on the tile you want to plant the plant