Got Pallets? Hate weeding? Dont feel like turning up a bunch of grass? Use a pallet as a garden bed - staple garden cloth on the backside of the pallet fill with dirt and start growing! You can also place your pallet on the ground in a rocky location rather than a grassy area, this way you will not need the garden cloth to stop the weeds and grass coming through!
Raised Bed Garden Kit-105981 at The Home Depot--seems like cheating, but it's only $28.97, so it might be worth it!