Hardiness zones are regions that categorize areas based on their average lowest winter temperatures. They help gardeners understand which plants can survive the coldest parts of the year in their location. Each zone represents a specific temperature range, making it easier to choose plants suited to the climate. Using hardiness zones helps ensure plants will grow well and survive through winter conditions.

The map above show the Hardiness Zones of the United States. the degrees in the key in the lower right hand corner shows the lowest temperature a certain place gets in winter. When looking for a plant or flower, it will tell you which hardiness zones it thrives in. Use this map to see if you live in one of the Hardiness Zones that the plant thrives in, but if you don't, the plant won't do so well if you try to plant it. Furthermore, some plants have multiple Hardiness Zones while others only have one or two.

Visit the website below to find out which Hardiness Zone you live in by your zip code: