Euphorbia leucodendron（Euphorbia alluaudii )Yellow-leaf Bush Euphorbia、Cat Tails Euphorbia
mailbox garden - I might try this with the back gate mailbox.
Great back porch ideas
Turn your mailbox into a small oasis with our colorful mailbox garden plan! http://www.bhg.com/gardening/plans/easy/colorful-mailbox-garden-plan/?socsrc=bhgpin041815
Mini rope ladders coming out of succulent gardens
'Oranges & Lemons' is the perennial to plant in your sun-soaked garden trouble spots ? along the baking asphalt driveway, in that dry area around the mailbox, or in the tough, almost unbroken soil of a new bed or border. It thrives on challenges like these, and you'll be amazed at its performance even when given very little attention.