Raised Garden beds
DIY Wicking Bed Container Gardening. This is a great idea to ensure less and adequate water for your plants.
PVC Strawberry hanging garden
Personally, I like the 1/8" steel cable design. But I have to say, it's super easy to put the chain link version together! (my DIY chicken coop in background)
Awesome system to grow strawberries hydroponically. Take advantage of Olivia's to successfully grown hydroponic strawberries
Make Life Lovely: DIY Rustic Wood Planter Box.i would put brackets on inside though
DIY Rustic Wood Planter Box / nice and easy project to do right now for flower bulbs
Pallet Planter Box: For palm tree
Pallet Herbs Planter
This Urban Agriculture in DC Infographic shares some facts of the movements (lead in part by Michelle Obama) and getting started tips for your own balcony or rooftop garden.