Sunflower Gardens Roundup, MT - Assisted Living Community size: Medium (11-25) Get Prices & Availability (800) 341-4753 Office Sunflower Gardens is a first-class assisted living community in Roundup, Montana. It is within well-favored Musselshell County which is part of the Treasure State. + Read more Share this listing: Full Screen Gallery Roundup Senior Services Near Me None Listed Roundup Senior Living Near Me