The Missoula Iris Society Iris Rhizome Sale is a great opportunity to pick and chose from a large selection of colors and varieties of iris for your garden at a reasonable prices. The rhizomes are locally grown in member's gardens or at the Society's display gardens. Proceeds allow the Society to maintain the public display gardens near the Historical Museum at Fort Missoula and to sponsor iris shows at no cost to visitors. The sales tables will be located just west of the museum. Easiest access is to take South Avenue west of the intersection with Reserve Street and turn south at the sign directing you to the Historical Museum. Sales start at 9 a.m. and finish at 1 p.m. or sooner if sold out.