Awww...Chinle doesn't LOOK like a dirt devil, but looks can be deceiving. Pictures won't email?
My dog doesn't dig or eat plants, but no plant stake is safe - plastic, terra cotta or metal, doesn't matter - they all get pulled out. Now I have to write things down on paper that's kept in the house or I'd forget what everything is that I've planted.
Your container garden should provide you with lots of yummy stuff this summer. And your backyard looks like a spa! Water is so soothing.