Your imagination is the limit. This tire turned into planter is the perfect example. http://theownerbuildernetwork.co/8zis:
Grow sweet strawberry in a vertical PVC tube is great solution for small garden or yard. Vertical planter will save you a lot of space, at the same time keep plants out of reach from garden insect pests.
A Floral Rock Garden
DIY Sand Art Terrarium
Succulent gardens in hollowed out logs and also in timber rounds available from the Succulent Guy at the Byron Bay Beachside Market - Easter Saturday 26th March. by thesucculentguy