The next time you have green onions, don't throw away the white ends. Simply submerge them in a glass of water and place them in a sunny window. Periodically empty out the water, rinse the roots off and give them fresh water.
Toilet Paper Shelf - Just buy a "shadow box" from a craft store and paint! (I probably wouldn't use this idea specifically for a toilet paper shelf, but worth remembering for other places around the house)
Mason Jar Wall Planter Learn how to create an adorable indoor or outdoor wall planter. These jars would look so cute on a kitchen wall filled with herbs! You can make your own wall planter by using mason jars, an old board, and pipe clamps.