(Well, just the walls of outside, since they're outside ^^)
Balboa gestured with a hoof as his guards flew in after them to break them apart as he stood up and dusted himself off.. "Now now Miss Hay Bale, let's not kill him, having somepony killed on my property...in public eye, is not good taste." He said picking up her shades and hanging them from his bow tie to give to her in a moment.
The other gardeners were pretty much frozen in fear and confusion as Astrid and Pennyworth went into situation control mode and moved them away and took them inside away from the scene.
The poisoner gurgled and spurted blood from his mouth, eyes swollen with double black eyes, a busted lip, looked like a mess really. Balboa walked over to Hay Bale and put a hoof on her shoulder. "That's enough, for now, Miss Hay Bale, thank you."