If you're not in her HOA, she's a moron for bothering you.
Yeah, she's one of those busybody types that just loves annoying the hell outta people. What got me from "mildly annoyed" to "throw her *expletive deleted* in jail" was one incident involving my wife. We had a couple of trees trimmed, and there were some significantly large rounds that had been stacked in the "easement" area between the sidewalk and our fence. Before the tree guys had even finished, she was over bugging me about making sure the wood was gonna get cleaned up, sidewalk cleaned, etc. This was on a Friday. The guys were going to come back Saturday to finish. Friday night she comes by and leaves a little passive-aggressive note on our door. I was gone the weekend they were finishing up the trees, but Sunday night my wife and I picked up about half of the wood that had been (neatly) stacked along the easement area. And then it started raining. And proceeded to rain all week. The only pieces left were maybe 6 18-24" rounds that were still neatly stacked. I again had to be out of town the next weekend. So while my wife is out cleaning up the front yard, Little Miss Nosy pulls up in her car, rolls down the window, and starts chewing out my wife. Telling her "we can't leave that wood there, it's private property," yadayadayada. My wife tries to explain to her that I have been out of town on the weekends and that it had been raining all week. She wasn't interested, continued to yell at my wife. Well, she's pissed now, and proceeds to roll these 80+lb rounds down the sidewalk, up the hill of our driveway, and onto our side yard, tweaking her back and knee in the process.
ETA: Yes, I understand her desire not to have stuff stacked in their area. My beef wasn't so much with that as it was with how she spoke w/ my wife.