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Missouri Planting Zones

Missouri planting zones

Missouri is classified with two climates, depending on region, and Missouri planting zones vary depending on those climates. The northern third of the state is considered a hot humid continental climate, with seasonal contrasts that vary greatly between summer and winter. The southern two-thirds is a humid subtropical climate with hot, humid summers and cool winters. The state as a whole sees extremes on both ends of the temperature range. Without the presence of oceans or large mountain ranges, the humidity and heat from the Gulf of Mexico and the cool Arctic air are huge influences on the temperature and overall climate. While temperatures can get into the 90s, depending on location, summer averages are largely in the mid 70s across the state. Winters have a low 30s temperature average.      

Missouri growing zones range from 5b to 7a. Growing zones help gardeners identify which flowers, vegetables and plants will thrive in a given region. You can easily figure out what zone you are in by checking Gilmour’s Interactive Planting Zone Map. Zones determine what plants will be able to survive winter conditions, and they do not just guide on what to plant, they also help determine when the best time to plant is. Missouri planting zones base planting on first and last frost dates in a zone. Note that when planting a garden, it is important to only use plants rated for the Missouri planting zones you are in or lower. This will help ensure plants can survive winter conditions. 

Mississippi has a number of plants and flowers that are known to do well in the area. Following the hardiness zone guide will ensure the best opportunity plants thrive, and you have a wide variety of options to decide from. Coneflower, palm sedge, spicebush, columbine, Missouri primrose and cardinal flower are all native and will grow with ease. Tomatoes, rhubarb, potatoes, peppers, peas and asparagus will all do exceptionally well throughout the region as well.

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