Make a wooden pot holder that holds four flowering potted plants and can be hung on an indoor or outdoor wall or fence.

Here is an easy to build salad box that is basically a ready made window box with legs.
To help give plants proper nutrients, build a raised garden bed that requires little money and time.

Build a wooden planter that holds a 10 to 12 inch clay pot that can be easily removed for easy re-location. This project has all you need to make a wooden planter with great tips too.
Plans for an 8 sided tapered cedar planter.  Build several for a grouping on your patio or deck.
Make a flag planter to display your red, white and blue. This Old Glory planter stands or hangs. Just add flowers.