Plant Zone Map. Planting zones or growing zones are illustrated on a map known as the USDA Plant Hardiness Zone Map. Leaflet Plantmaps OpenStreetMap Contributors.
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The map does not consider other factors that affect plant survival. How to Tell if a Plant is an Annual or Perennial. A plant rated hardy to Zone 4b would likely thrive in Zone 5a do well on good sites in Zone 4b and might survive in quite protected sites in Zone 4a.
The map of Missouri above is divided into planting zones according to the average extreme winter low temperatures over the last 30 years.
Below is the USDA planting zones map also known as the USDA Hardiness Zone map. Considered the standard measure of plant hardiness the USDA Plant Hardiness Zone Map is based on average annual minimum winter temperatures. You can find your USDA zone with state maps that are based on extreme minimum temperatures. The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.
