Plant hardiness zones are geographical regions that have been labeled by their average minimum growing temperatures. Plant hardiness zones are useful to gardeners who seek to determine which perennial plants are best suited to their location and will lik
Gardeners also have to understand environmental factors and hardiness zones contribute to the success or failure of plants. According to theUSDA, wind, soil type, soil moisture, humidity, pollution,snow, and winter sunshine affect plants' survival. The manner these plants are placed in an area, ...