Does it have a bloom of any kind on it? Perhaps you can take the pic and a piece of it to a local nursery and find the person there that knows what it is...due to it being a local nursery and a local plant? I do this from time to time with the nursery by me....there are two FRICKEN AWESOME folks there that have never not known a plant/weed per a pic or sample....
Perhaps Yvonne will come across this thread...she is good at plant id