GREEN ROOF

Materials:

• polystyrene boxes
• watering can
• spade
• water
• seeds
• soil
• geotextile mesh 

Instructions: 

If you would like to have a small urban garden and also isolate the roof, just:

1. Cover the inside of the styrofoam boxes with geotextile mesh.
2. Fill the boxes with soil.
3. Plant different types of seeds.
4. Place the boxes on the roof and water them. 

Then, you only have to water them periodically and wait for them to grow.