Bird Cage Planters Turn Trash into Treasure. Whether you use modern ones, or find old antique styles, when you turn unused bird cages into Bird Cage Planters, you will have a unique and unusual garden decor idea that is sure to draw compliments. Bird Cage Planters - DIY Projects - Decorative and unusual Please note: You are currently browsing img elegant bird cages silver intricate lattice floral patio that is 640x526px in size. This image is listed in garden bird cage decorative category. Bird Cage Planters DIY Projects Decorative and unusual, 640x526 in 110.99 KB.