In other words how cold it gets in a typical year. The map is created to help determine which plants can survive and thrive in specific climatic areas.
Usda plant hardiness zone map.
Us plant growing zones map. If you are unsure what growing zone you are in you can enter in your zip code in the tool at the top right of the website and it will tell you. Each zone is defined by the average minimum annual temperature. Interactive usda grow zone map find seeds tool plant hardiness find seeds and plants that grow in your zone us canada.
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. Planting plants vegetables and flowers that are appropriate for your us growing zone will make sure that your garden is happy and healthy year after year. The usda hardiness zone map divides north america into 11 separate planting zones.
To find your usda hardiness zone enter your zip code or use. Considered the standard measure of plant hardiness the usda plant hardiness zone map is based on average annual minimum winter temperatures. Click the map to select your zone.
It is used by the agriculture industry to define what plants grow best in what areas. 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. Within the map individual growing zones are separated by 10 degree fahrenheit increments for each zone.
To start it s first important to understand how and why the usda creates their hardiness zone map growing zones. States in growing zone 2. The us department of agriculture created the usda plant hardiness zone map to provide a standard definition of climatic conditions relevant to plant growth and survival.
But we recommend using the plant growing zones as your guide to decide what to plant outside. States in growing zone 1. The map is divided into thirteen distinct 10ºf zones which are further divided into sub zones of 5 f.
Or you can tell from the map below too. Below is the usda planting zones map also known as the usda hardiness zone map. The map is based on the average annual minimum winter temperature divided into 10 degree f zones.
Planting zone map for 2019 combines data from the usda with specific geographical information to provide a complete look at your growing area. Understanding the usda planting zones you live in can mean the difference between success and failure in your garden. Click here to go to the usda website and see a map of your state s zones.
If you see a hardiness zone in a gardening catalog or plant description chances are it refers to this usda map. Each growing zone is 10 f warmer or colder in an average winter than the adjacent zone. The usda plant hardiness zone map is a widely used reference that helps gardeners and other growers to choose plants that are suitable for their local climate.