Make sure to only start planting in spring or summer or indoors during winter and autumn months.
fill a plant pot with 2/3rds of soil (do not plant in nature)
soak the card in water and tear up the card into small pieces
Then place the pieces in the pot and give them a light sprinkle of compost on top.
Make sure to give the soil and pieces plenty of water keeping them moist but not too wet.
Also give them plenty of sunlight.
you should start to see results very soon!