![]() ![]() Understanding the different plant hardiness zones gives you the ability to narrow down your gardening choices. In the simplest terms, USDA hardiness zones keep a grower in Alaska from making the mistake of planting peach trees. Choosing plants with hardiness levels appropriate to specific planting zones gives you the best chance of gardening and landscaping success. You can adjust many things, such as soil type, moisture levels and amount of sunlight in your garden, but temperature can be hard to control. Many plants require very specific growing environments to thrive. For example, the cold may cause your beloved perennial to die however, the roots might be hardy enough to bring new growth in the spring. ![]() Even different parts of a plant may be hardy in different ways. Each cultivar of a plant may have different hardiness levels based on their adaptations and genetics. Plant genetics determine the ability of a plant to withstand cold temperatures without damage. The science behind plant hardiness can be complicated. Plant hardiness is the ability of a plant to survive adverse growing climates such as drought, flooding, heat and cold. By clicking your closest metro area, you’ll find even more detailed information to help make your gardening decisions.Īt the metro level, you’ll be able to access: What is Plant Hardiness? Detailed sections are now based on multiple factors.Ĭlick on your state to reveal a basic overview, including the state flower, a list of major metro areas, gardening zones and an overview of climate. Individual zones are no longer simply just bands that go across the country. Instead of simply assuming you are in a certain zone and thinking you already know what grows best, click on the major metros near you to see detailed information specific to your exact area. By asking what zone am I in and using an interactive growing zone map like ours, you may be pleasantly surprised, ultimately discovering you can grow many plants you might not have even considered! Each of the 13 zones on our interactive planting zone map is broken down into two parts to give 5-degree increments in each zone. Planting Zone Map for 2019 combines data from the USDA with specific geographical information to provide a complete look at your growing area. Understanding gardening zones means you can focus your time and attention (not to mention money) on plants with the best chance of winter survival. Zone 1 is the coldest, with an average minimum winter temperature of -60 to -50 degrees F, while the minimum winter average temperature in Zone 13 is 60 to 70 degrees F. Each agricultural zone covers a 10-degree range. Planting zones are broken down into thirteen areas, also known as USDA zones, which cover the entire United States, including Hawaii, Alaska and Puerto Rico. ![]() Being able to understand a hardiness zone map means you’ll have a starting point for making wise planting decisions. In essence, plant hardiness zones have been used by growers for years to simply identify the plants that are most likely to survive the winter in their area. When shopping for new plants for your garden landscape, the terms “plant hardiness zones,” “growing zones” and “planting zones” may at first seem a bit confusing. Planting zones are areas you can find on a growing zone map that show exactly which plants are best suited to thrive in your given area, or zone. ![]()
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