In Tony Hawk American Wasteland for GameCube how do you Vert Wallplant?

In Tony Hawk's American Wasteland for GameCube, to perform a Vert Wallplant, you need to skate towards a vertical wall at a high speed. As you approach the wall, press the R button to ollie and then quickly press the A button to wallplant. Your character will then kick off the wall, allowing you to perform tricks or gain momentum. Timing and positioning are key to successfully executing the move.