Howdy! My green thumb is more of a brown hue, but it looks like a sedum john creech. I hope this helps. https://www.google.com/search?q=sed...biw=1600&bih=732#q=sedum+john+creech&tbm=isch
Hello, did you ck Lysimachia [Creeping Jenny] ? it is in my garden (beautiful yellow color ground cover 'creeper')