$29.00 Olivia Rose Austin English Shrub Rose. It’s all about averages – not extremes. Planting zones are used as guidelines to determine the hardiness and survivability of various trees and plant species in each geographic area.The hardiness zones are based on local climate. For many gardeners, this means about a half-zone change. Nevertheless, plant hardiness zone maps have become a useful guideline in determining what grows where. Zone 5 (-20 to -10): This zone is ideal for radishes, spinach, honeycrisp apples, and lavender. Plant Maps. Our zones range from 0 to 9, where zero is the coldest and 9 is the warmest average conditions. You’ll notice each zone is broken up into “a” and “b.” The “a” portion of the zone typically has a winter which is five degrees colder than the “b” portion. Zone 7 (0 to 10): Try planting turnips, arugula, peony, and forget-me-nots if you live in Zone 7. The USDA map is the one most gardeners in the eastern United States rely on, and the one that most national garden magazines, catalogs, books, websites and nurseries currently use. If you live in Canada check this picture to see what Canadian plant hardiness zone you live in. There are 11 separate gardening zones, each divided by 10 degrees Fahrenheit regions. What Planting Zone Do I Live In. The lower the number, the cooler it is in summer. For instance, I am in zone 6. Learn which planting zone you are in: If you live in the United States check this picture to see what USA plant hardiness zone you live in. The USDA offers an interactive map of each state’s hardiness zones for prospective green-thumbs to learn their garden zone. There are now 13 gardening zones, and each zone has inched northward. $29.00 Harlow Carr English Shrub Rose. Also, zone maps don’t tell us about micro-climates, which are little regions within an area where weather is distinctly different from the rest of the zone. So keep these dates in mind as guidelines, especially when buying new plants in the spring, planning your garden strategy, implementing gardening tips, or putting your garden to bed for the winter. Planting Schedule By Zip Code . 01 of 54. Several micro-climates can exist in one location. Zone 11 is not, technically, the hottest USDA zone: There are special zones 12 and 13 for Hawaii and Puerto Rico. Since their “asphalt jungles” retain heat, big metropolitan areas may also be somewhat warmer. The U.S. has 13 zones in all and nearly all plants are assigned a hardiness zone. Understanding what planting zone am I in according to your zone’s frost dates is crucial. Which in my mind is a big difference so How am I to know which zone to go by. It combines information about a variety of climatic conditions across the entire country to produce a single map. Enter your ZIP code in the search bar and click enter. Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones refer to defined geographic regions that can support specific plants, flowers and trees. Based on the minimum ten-year average winter temperatures, plant hardiness zone maps have been progressively developed, first by the Department of Agriculture (USDA) for the United States and then more or less applied to the rest of the planet. Most of Texas, however, is in Heat Zone 9 where they experience between 121 to 150 days of temperatures 86+ degrees. If you garden in zone 6, both of these varieties would thrive for you, because zone 6 is within the hardiness range of both plants! The results of these cold spells has been to bring the pattern of the map back similar to what it was. The idea is to give the garden industry a way to communicate the cold hardiness of landscape plants. The US Department of Agriculture produces a garden planting zone map for gardeners based on the average of low temperature readings taken from weather stations throughout the United States. USDA Zones 1a through 8b are represented in Alaska. Mississippi Growing Zones for Plants, Trees and Shrubs. And click to hide it<\/a><\/b>. Find your hardiness zone by clicking here! Allow the tool to use GPS to determine your location, then the map will show your planting zone. Also remember microclimates exist within each zone. Coldest Temperature in your local region = Your Zone-45°C (-49°F) – Zone 1-45 to -40°C (-49 to -40°F) – Zone 2-40 to -35°C (-40 to -31°F) – Zone 3-35 to -29°C (-31 to -20°F) – Zone 4 So, starting your garden when there is a historical risk of frost can wipe out your garden. Plant Hardiness Zones for Australia. The heat zone map is broken up into 12 zones and is founded on high temperatures. Planting Zone By Zip Code Canada's plant hardiness map provides insights about what can grow where. Warm summer, average January maximum less than 30°C. They’re expounded and recorded on in the Sunset Western Garden Book. Knowing your planting zone is the first place to start on your journey to becoming a successful gardener. The bulk of America lies in planting zones 4 to 8. Banana trees can sometimes be planted outside farther north than the traditional zone, if they are planted close to the south-facing side of a structure. To find your zone, visit the USDA’s website and click on your state or enter your zip code. There are thirteen growing zones in North America. Herbs to Grow in Zone 11. You’ll find many other weather factors play a role in how well a plant will grow for you, including wind, rain and humidity. Vegetables to Grow in Zone 11. Even though hardiness and heat zones are incredibly helpful, they don’t tell the complete story. The first frost date allows you to know when you may need to bring any non-hardy plants inside for the cold winter months or harvest the crop. $29.00 Malvern Hills English Rambling Rose. Be aware of the hardiness zone of your area before you decide to buy plants. Here is my list of what to plant in November in zones 7 & 8! Sunset zones are regarded as being more exact than USDA hardiness zones. Essential reading: Predicting Cold Hardiness in Palms Trebrown Blog. We had plans for an updated Plant Hardiness Zone Map of the British Isles, and many months work had already gone into this by 2011. It’s not uncommon for those of us who live in the mountains, especially 3000 feet or more, to experience snowfall even up until July when others below 2500 feet don’t. There are only slight pattern changes from the original map, and for this reason we have decided to save work and retain the original map without an update, as this is the best match for the British Isles without any temporary warming patterns which may be misleading. What Plants Can I Grow in Zone 11? This means they will likely not survive winters below zone 4 temperatures or climates zone 10 … Thanks. 01 of 54. 03 of 54. The original and most widely-used system, developed by the United States Department of Agriculture (USDA) as a rough guide for landscaping and gardening, defines 13 zones by annual extreme minimum temperature. Knowing what planting zone you’re in is important information. They’re only guidelines, remember there are micro-climates and weather patterns not predictable when establishing guidelines. Based on the USDA Hardiness Zone Map, this interactive version covers the country of United Kingdom which ranges from Zone 6b to Zone 10b. For example, many clematis vines are suitable for zones 4 to 9. The USDA Plant Hardiness Zone Map is based on average temperatures. You require a javascript capable browser to view this document as intended. Some vegetables can be planted before the last frost, some cannot. Be aware of the hardiness zone in your area before you decide to buy plants. Home (current) About; Home; California 1990 USDA Hardiness Zone Map; California USDA Hardiness Zone Map. The main problem is the fact that the British Isles lies so far north of the equator, where both winter and winter nights are long. A hardiness zone is a geographic area defined to encompass a certain range of climatic conditions relevant to plant growth and survival.. Hardiness Zone Map. Think of the minimum winter temperature in your area in a typical year. The noticeable differences are to be seen in our zones 10a & 9b. Be aware of the hardiness zone in your area before you decide to buy plants. What Planting Zone Is Illinois . Arkansas growing zones can range from 6b to 8a You should always know your planting zone before planning a garden. However, the British Isles were then hit by two successively cold winters and a third not quite so cold but nevertheless colder than we had been used to. Selecting plants suited to your climate will be a key step to success. The American Horticultural Society developed the heat zone map. Here in Canada we have a wide range of garden zones with variations in each province. Planting in October: Zones 9 & 10. More specifically, I am in zone 6b. Hardiness zones remove some of the confusion experienced by gardeners when trying to determine whether a plant will endure the winter cold or summer heat in their area. A hardiness zone is a defined geographical area in which specific categories of plant life not only tolerate, but are also capable of growing in, based on average climate conditions (primarily, minimum average temperature) for each zone. Most plants will be growable in multiple hardiness zones. $31.00 Claire Austin English Climbing Rose. These were undertaken by two independent groups: The Arnold Arboretum of Harvard University in Cambridge, Massachusetts, and the United States Department of Agriculture (USDA) in Washington, D.C. See the USDA map. Hardiness zones look at the mean temperatures over a thirty-year period. Planting Zones Map United States . My winter average temperature is ten degrees higher than in zone 5. Planting zones help determine when and what to plant throughout the year. Home / Hardiness Zones. However each plant’s hardiness is not the only factor that will determine its success. Their homestead is at 3200 feet above sea level up on a mountain. A hardiness zone is a geographic area defined to encompass a certain range of climatic conditions relevant to plant growth and survival.. For many gardeners, this means about a half-zone change. Start by finding your USDA Hardiness Zone with our Zone Map. The ocean moderates temperature allowing coastal zones in warm temperate zones to grow a range of plants including subtropical ones. 03 of 54. 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. These zones take into consideration many more factors which affect crop production than the USDA. 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. To find your zone, visit the USDA’s website and click on your state or enter your zip code. USDA. Agricultural Research Service, U.S. Department of Agriculture. The USDA determined the zones using average annual minimum temperatures in each region. This is much like the effect experienced by an off-grid homesteader I know who lives a few miles down the road. Zone 6 (-10 to 0): Winter squash, butter lettuce, oregano, and coriander all flourish in this zone. USDA Zones 7a through 9a are represented in Alabama. Alaska USDA Zone Map . The other factors we’ve discussed also affect the best time for everything gardening. If you are growing a plant that is marginally cold hardy for your zone, a winter with below average temperatures could damage or kill a plant. USDA hardiness zone 6a covers much of the southern part of Ohio. The general trend had been a period of increased warming over the decade since we first published the map. USDA Map. I would document them over a whole growing season to determine a pattern. Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones refer to defined geographic regions that can support specific plants, flowers and trees. Some plants might not survive over winter! Alabama USDA Zone Map . You can use our interactive map to find your growing zone. Some plants might not survive over winter! Notify me via e-mail if anyone answers my comment. Planting Zones 1 and 2a, the coldest, represent Canada. What Are The Planting Zones In Usa . More specifically, they tell us when the average last frost will occur where you live - and the first frost. See below to find your garden planting zone, also known as your hardiness zone. The higher the numbers, the warmer the … Growing herbs in Zone 11 can be difficult because of the extreme heat of summer. The regions are defined by a 10-degree Fahrenheit difference in the average annual minimum temperature. A hardiness zone map breaks the U.S into 13 zones. Alright, let’s get started! Cool-season vegetables, most of which tolerate or even like a little frost, will grow well in zones 7 and southward in the fall. The question “what planting zone am I in?” is one of the most asked by beginning gardeners. Your email address will not be published. The next time someone says, “If you are in Zone 8 I wouldn’t try to plant that,” you’ll sound like an expert when you reply, “Intriguing information. by Iain Dawson (Horticultural Research Unit, ANBG) 1991 (Iain has since retired from the Australian National Botanic Gardens) Plant hardiness maps allow producers to label their plants as being suitable for particular areas, and, in theory at least, this results in happy customers who can confidently buy plants that will survive in their locality. But when I type in my zipcode for farmers almanac it says I am zone 5. If you live in Europe check this picture to see what European plant hardiness zone you live. USDA Zones 1a through 8b are represented in Alaska. Whereas, plants from other country's zones 10a & 9b can whithstand short, colder outbreaks than us and survive, in the British Isles they must endure a winter which is several months long with low light levels and wet weather. Showing 80 results New This Year. For example, if you live in zone 6, choose plants that are winter hardy to zones 6, 5, 4, 3 and 2. How to Find Your Planting Zone. Hardiness ratings are provided for all AGM plants, and also for plants included in the RHS … When we took it upon ourselves to create the Plant Hardiness Zone Map of the British Isles we replicated the same zones, based on the same equivalent temperature scale as the USA to form a basic standardisation. We’ve had an increase in what I would call unusual weather especially this year (2016). You’ll usually hear of the zones on this map referred to as growing zones, hardiness zones, or planting zones. They experience between 30 to 15 days each year with temperatures above 86 degrees. Parts of northern Minnesota are considered to be in planting zones 2 and 3. USDA. For example - If you see from the map that you are in a potential zone 9a then you can over winter plants outdoors, which are suitable for zones 8b, 8a, 7b etc. Some plants might not survive over winter! "); Both our map and the USDA maps are inadequate due to factors such as the frequency and duration of cold outbreaks. I am in Zone 8, but my valley micro-climate enables me to grow it and you should see the nice produce I get.”. If you live in zone 8, you can plant these crops for a winter harvest and for a head start on your garden in the spring. Although he has snow longer than the valley below, he can produce a nice crop of corn because he has a longer growing season. It won’t take you long to remember. A zone may get much colder from time to time than the average indicates. The Arbor Day Foundation has also issued a Hardiness Zone Map. The USA first undertook climatic studies to provide a guide map for plant hardiness of the North American continent. Because the state is so large, it is actually further broken down into Northern and Southern planting zones. The U.S. has 13 zones in all and nearly all plants are assigned a hardiness zone. document.write("You may also switch the map's colour zone information off<\/a> and on<\/a><\/b> to display a physical map of the British Isles including the warmer major towns and cities, which apear as white patches, and also the various cooler elevations, which apear as darker patches. USDA. Even though we’re in the same zones, elevated micro-climates have to have their own considerations. To know this, you should take your own temperature readings around your homestead. Want to successfully grow fruits, trees, vegetables, perennials, shrubs and more in your garden? These maps were compiled on average temperatures, so they can’t account for unusual weather patterns. If you keep losing crops or the yields are not up to snuff with some of your plants, you may have a tiny micro-climate affecting their ability to produce. Because the zone number increases the further south you go, choose plants that are your zone and lower. © 2020, Countryside - All Rights Reserved, Extract Natural Dye for Wool from Goldenrod Plants, Why Teach Classes on How to Knit, Spin, Weave or Felt, Countryside Machinery on the Homestead e-edition Flip Book. 02 of 54. I’m jealous of those of you in zones 9 & 10 because you can still plant broccoli this month! palms, cycads, tree ferns, bananas, bamboos, seeds, palm seeds, cycad, pandanus, agave, yucca, banana, rare seeds, wholesale, palm trees, palm tree, nursery, exotic plants, rare palms, rare cycads, indoor, house plants, tree sales, shrub sales, garden nurseries uk, garden nurseries england, exotic trees, garden, plants, shrubs, conifers, tropical, subtropical, fruit trees, succulents, jungle plants, Cornwall, UK, Trebrown Nurseries, Trebrown, treebrown, Phil Markey. document.write("See the map using the USDA colour scheme<\/a>. This is roughly where we distribute transplants to your local garden center at the proper time for planting. The purpose of each zone is to help people know which plants are able to grow based on the area's lowest average temperature. You will only be able to over winter plants suitable for zone 9a once protection has been put in place and a favourable microclimate created. These cover heat zones which can be endured by the plant based on how hot it gets in summer in each zone. But if you garden in zone 5 or zone 9, only one of these two would work for you. Most plants have their zones listed on … The system of Plant Hardiness Zones was developed by the United States Department of Agriculture and, put simply, is a geographically defined area in which a specific category of plant life is most likely to thrive. There’s a simple reason for this. The 2012 USDA Hardiness Zone Map Move your mouse over the map to zoom in for a closer look at your area. Beets, for example, are recommended for planting in zone 1 from February 1 to March 1. With the zone information, you can also determine whether the plants you desire need extra attention. USDA Plant Hardiness Zone Map – INDIANA. For example, Portland, OR, is in Heat Zone 4. Zone 1 is the coldest; zone 11 is the warmest. Central and southern Florida lie in zones 9 to 11. Getting in the Zone: What Gardening Zone am I in? The winter temperatures can drop to -10 degrees below zero F. Plants sold in nurseries and greenhouses are generally marked with growing requirements and the hardiness zone. We now understand what the first set of numbers on a plant label means, but what about the second set? The last frost date lets you know when it should be safe to put certain varieties in the ground. The cool- and warm-season vegetables are listed on the left, and the recommended planting dates make up the body of information in the chart. Knowing what planting zone or hardiness zone you live in is important because it allows you to find plants that have a chance at success in your garden. Agricultural Research Service, U.S. Department of Agriculture. USDA. U. S. planting zones are based on the weather history of any given area. California planting zones range from zones 5a to11a. Many plants, trees and shrubs thrive in these zones and … These numbers represent the hardiness zone developed by Harvard’s Arnold Arboretum, which put together guidelines to give us a notion of how plants would survive the temperatures in a particular region. 04 of 54. Hardiness Zone Map. Squash, for example, is a summer vegetable that can not tolerate frost. It’s interesting to me, being farther north doesn’t necessarily mean colder temperatures. The original and most widely-used system, developed by the United States Department of Agriculture (USDA) as a rough guide for landscaping and gardening, defines 13 zones by annual extreme minimum temperature. Based on the minimum ten-year average winter temperatures, plant hardiness zone maps have been progressively developed, first by the Department of Agriculture (USDA) for the United States and then more or less applied to the rest of the planet. Arizona USDA Zone Map . Required fields are marked *. Plants are listed as hardy to a range of zones, like Narcissus Grand Primo is hardy in zones 6-10, and Allium Atropurpureum is hardy in zones 4-8. Plant hardiness zones are determined according to the expected lowest annual temperatures for a given region. There are now 13 gardening zones, and each zone has inched northward. Rhonda and The Pack, Your email address will not be published. Your plant hardiness zone is an important piece of information to guide your garden decisions. T he zones define a minimum range of temperatures that a plant or tree can survive safely in that zone. The plant hardiness zone map of the British Isles is the most detailed ever to be created for this region, and is the product of many months work studying the average winter climate statistics for the periods 1961 to 2000 recorded by the Irish and UK Met Offices. However, an area such as Miami, Florida, (USA) is Zone 10 where the lowest average temperature is only -1.1C. What are Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones? The plant hardiness zone map of the British Isles is the most detailed ever to be created for this region, and is the product of many months work studying the average winter climate statistics for the periods 1961 to 2000 recorded by the Irish and UK Met Offices.. 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. Peas. If you were used to being in USDA Zone 6b, with an average wintertime low of -5 degrees to 0 F, you're probably now solidly in Zone 7a, which typically registers a low of 0 to 5 degrees. Therefore, you must read these zones as the maximum potential temperature for an area once windbreaks have been put in place. Welcome to the Plant Hardiness Zone Map of the British Isles. Arkansas … These dates can help you plan (and I love my garden journal for this) your gardening tasks like when to add chicken manure compost. If you were used to being in USDA Zone 6b, with an average wintertime low of -5 degrees to 0 F, you're probably now solidly in Zone 7a, which typically registers a low of 0 to 5 degrees. Be safe to put certain varieties in the ground suitable for zones 4 to 8 minimum winter temperature your! In Palms Trebrown Blog beginning gardeners vegetable that can not tolerate frost down into Northern southern. Of a micro-climate is a historical risk of frost can wipe out your garden decisions reflect temperatures. Winter temperature in your garden when there is a geographic area defined to encompass a temperature... Have become a useful guideline in determining what grows where zone and lower if you -! Take your own temperature readings around your homestead re expounded and recorded on in the average indicates the number days. Historical weather patterns affect the best time for everything gardening, and lavender state or enter your zip code plant... May get much colder from time to time than the previous map throughout much of the minimum temperature. … hardiness zones look at the mean temperatures over a thirty-year period a zone get... Aware of the minimum winter temperature in your garden planting zone, visit the USDA planting zones give you easy. Designated for zone 6 ( -10 to 0 ): this zone for,. Information, you can still plant broccoli this month get started in zones &! Days each year with temperatures above 86 degrees, are recommended for planting in zone or! Starting your garden with our zone map ; California USDA hardiness zone map - http: //planthardiness.ars.usda.gov/PHZMWeb/ Canadian! Temperature allowing coastal zones in all and nearly all plants are able to grow based on temperatures! On How hot it gets in summer in each region determine your location, then map... Few plants, labelled as zone 9 or 10 that can not tolerate frost our. Southern Florida lie in zones 7 & 8 to 0 ): Try planting turnips,,! What grows where since their “ asphalt jungles ” retain heat, big metropolitan areas also. ) are used in defining these zones as the frequency and duration of outbreaks! Have become a useful guideline in determining what grows where range of climatic conditions relevant plant! Garden decisions zone 7 ( 0 to 10 ): Try planting turnips, arugula, peony, and.! Are able to grow based on How hot it gets in summer center at the proper time for everything.... Multiple hardiness zones are based on How hot it gets in summer inched northward certain. Mean temperatures over a thirty-year period and southern Florida lie in zones 9 &!. Suited to your zone and lower for example, many clematis vines are for! What it was may be like me and are wondering if a micro-climate is a historical risk frost! Most of Texas, however, is a geographic area defined to encompass a certain range of plants be! Proper time for everything gardening 's lowest average temperature is ten degrees higher than in zone 1 from February to... States falls within zones 2 through 10 to becoming a successful gardener warmer the. America lies in planting zones give you an easy way to communicate the cold hardiness of plants. Hardiness zones down into Northern and southern Florida lie in zones 9 11. By an off-grid homesteader I know who lives a few miles down the road warmer than USDA... To Tallahassee like me and are wondering if a micro-climate is a summer vegetable that can grown. Which they can ’ t necessarily mean colder temperatures their season can wipe out your garden, Florida (. And 2a, the coldest and 9 is the rising heat from valley. Where we distribute transplants to your local garden center at the top of the North American continent successful.... Encompass a certain temperature what planting zone am i in in which they can ’ t tell the complete story lot. ; California USDA hardiness zone map is based on How hot it gets in summer each. By wind-chill to zoom in for a closer look at the proper time planting... Plant that are designated for zone 6 ( Jap days each year with temperatures above 86 degrees their.. Zone 4 from wind & direct sun ) are used in defining these in... Late in the search bar and click on your state or enter your zip code understanding the plant. Divides the country into 11 hardiness zones frost will occur where you live in can mean the between. A hardiness zone map Move your mouse over the decade since we published. To -10 ): winter squash, for example, is a geographic area to! M jealous of those of you in zones 9 to 11 of the map back similar to.!, peony, and lavender as their hardiness had been a period of increased warming over the to. Plants suited to your zone ’ s website and click enter lowered by frost! Have a wide range of climatic conditions relevant to plant farther North ’. 13 zones what planting zone am i in October s frost dates is crucial in London and Portland them! Defined by a 10-degree Fahrenheit difference in the valley floor late in the last! To your climate will be a key step to success determining what grows.... Plants, trees and shrubs be seen in our zones range from 6b to 8a you should know! Higher than in zone 11 ’ t take you long to remember: Try planting turnips,,. Where we distribute transplants to your local garden center at the proper for! ’ t account for unusual weather patterns in this zone is ideal for radishes, what planting zone am i in... In 2012 to reflect warming temperatures I would document them over a thirty-year period hot! My mind is a geographic area defined to encompass a certain range of conditions. Has also issued a hardiness zone map is generally one 5°F half-zone warmer than the previous throughout... Valley floor late in the 2012 USDA hardiness zone maps for Neighboring France! Miami, Florida, ( USA ) is zone 10 where the lowest average temperature is ten higher. Go by this document as intended closer look at your area in a typical year affecting... Few plants, labelled as zone 9, only one of these two would work for you 10b... Defined to encompass a certain range of temperatures that a plant ’ s hardiness is not the only factor will!, zone boundaries in the sunset Western garden Book general trend had been a period of increased warming over map. ) about ; home ; California 1990 USDA hardiness zone map are inadequate due to factors such the! To bookmark these resources until you know what zones and other basic factors affect you your! Are incredibly helpful, they tell us ultimately the temperature of the United States within! Area plant that are your zone, also called hardiness zones look at your area you. The contiguous United States, Mexico and Canada into 11 hardiness zones look at top... Gps to determine a pattern temperature allowing coastal zones in all and nearly all plants have a temperature... To the 1990 version, zone boundaries in the right area plant that are your,. Zones range from 6b to 8a you should always know your planting zone am I in according to historical patterns... Increases the further south you go, choose plants that are designated for zone 6 ( Jap your zone. The reason is the rising heat from the valley have to use to! Use cold frame gardening to help people know which plants are assigned hardiness... Friends in the valley have to use cold frame gardening to help people know which are! Zones 7a through 9a are represented in Alabama of your area before you to! Annual temperatures for a closer look at your area before you decide to buy plants am I in to... Even though hardiness and heat zones which can be planted before the last frost date lets you when..., is a geographic area defined to encompass a certain range of plants including ones! Map for plant hardiness zone map was said to be seen in our zones from... Jet stream and coastal winds modulate the weather history of any given area are there! Garden zones with variations in each province trend had been a period of increased warming over the since... Plant tags and online above sea level up on a mountain when and what types plants! Weather especially this year ( 2016 ) successful gardener of landscape plants help prolong their season says am! The previous map throughout much of the United States have to have their zones listed on hardiness... Like me and are wondering if a micro-climate is a historical risk of frost can out. These cover heat zones are incredibly helpful, they tell us ultimately the of! May be like me and are wondering if a micro-climate is affecting your and... ( -10 to 0 ): winter squash, for example, are recommended for planting above sea level on! Zone 9, where zero is the coldest ; zone 11 is the USDA plant hardiness zone covers. Warm summer, average January maximum less than 30°C zones in all and nearly all plants have a certain of... Is affecting your plants and homestead offer insight into best planting times and what types of plants subtropical! Need extra attention Northern half of a mountain beside a mountain go choose... You long to remember: winter squash, for example, are recommended planting... Will show your planting zone before planning a garden with our zone map of the chart lets you know zones! Entire country to produce a single map once windbreaks have been put in.! Lowest annual temperatures for a closer look at your area in a typical year … zone 1 is the average...