How to Grow an Avocado Tree : Eat an avocado (fun part) - Clean-off the pit - Suspend it over a dish of water with toothpicks (half-submerged) - Wait 3 to 6 weeks for it to sprout. Seriously going to try this
DIY Mini-Greenhouse: Grow seedlings in recycled containers as Any clear plastic container will do. Use paper towel rolls or toilet paper rolls as a pot. When ready to plant, simply place the whole roll in the ground and plant.