A Montanaplantingzone can be anywhere from the 3a to 6a range. Gilmour’s Interactive PlantingZone Map shows what Montanazone you are in. Using MontanaPlanting Map for the Best Garden. The vast majority of the state of Montana falls into Montana USDA growing zones 3a and 3b, 4a and 4b, 5a and 5b, 6a, and 6b. MontanaPlantingZones.Characteristics of Montana’s Planting Region. Montana’s climate is primarily continental, characterized by long, cold winters and short, warm summers. MontanaPlantingZone – A Quick Overview. Using the Montana Growing Zones Map. Montana: Seven PlantingZones and a Mix of Climates. Trees to Plant in Montana. Rely on state maps for the USDA Hardiness Zones for planting to select plants suited to your location and climate. MontanaZone Hardiness Map. Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. Montana spans USDA Plant Hardiness Zones 3a to 6b. This variation is mostly due to the state’s diverse geography, from high mountain ranges to low valleys and plains. This guide provides crucial frost and freeze date information for various Montana cities, along with Montana’s USDA Plant Hardiness Zones and tailored planting calendars. Montana have 8 USDA plantingzones, ranging from 3a to 6b, based on the latest official data. Find your USDA Plantingzone in Montana Cities, Towns and Counties using list given below. Interactive Plantmaps Gardening and Plant Hardiness Zone Map for Montana.The zones define a minimum range of temperatures that a plant or tree can survive safely in that zone. It’s more accurate to use plantingzones because it’s measured by the climate which can be different in areas in proximity to each other. How to Find Your PlantingZone. Montana's landscape features zones ranging from 2b through 6b, reflecting a broad spectrum of climatic conditions suitable for various plant life. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How... To view/print national, regional, or state Plant Hardiness Zone Maps, visit Map Downloads. To learn about updates to this map from its previous (2012) edition, visit Map Creation.