These zone descriptions will guide you in choosing the right plants for your garden. Vintage-cover posters, coffee mugs, jigsaw puzzles, tote bags, and more. From March to May, strong winds (to 40 miles per hour) can damage young tender growth. If soil moisture is inadequate, the characteristic winds and bright sunlight may combine to dry out normally hardy evergreen plants, killing or badly injuring them. Zone 10 has a definite winter season—75 to more than 100 nights below 32°F (0°C).That favors deciduous fruits, though late frosts can work against apricot crops. If your garden get… ZONE 22: Cold-winter portions of Southern California’s coastal climate. Winters are short and mild,with brief frosts occurring up to 15 nights per year.Average winter minimums range from 36 to 42°F (2 to 6°C), with extreme lows from 27 to 15°F (–3 to –9°C). Although winter temperatures are lower than in Zone 13, the total hours of cold are not enough to provide sufficient winter chilling for some deciduous fruits. Hailing from the temperate shores of the southeastern Mediterranean, these bright, peppery-scented bulb flowers are not winter hardy. The characteristics of Zone 11 are described on page 59. While my love is endearing, I am occasionally heartbroken when the odd deep freeze in my zone 8b Austin steals my dear bulbine away.Bulbine Live Plants, avail… Fall-planted crops grow slowly in winter, pick up speed in mid-February, and race through the increasing temperatures of March and April. Zones 18 and 19 are classified as interior climates. Seed companies and online plant retailers most commonly reference USDA hardiness zones, and sometimes they also use Sunset zones. This is the coldest zone in which sweet cherries and many apples grow. Areas falling in Zone 22 have a coastal climate (they are influenced by the ocean approximately 85 percent of the time).When temperatures drop in winter, these cold-air basins or hilltops above the air-drained slopes have lower winter temperatures than those in neighboring Zone 23. The USDA Hardiness Zone Map divides North America into 11 separate planting zones; each growing zone is 10°F warmer (or colder) in an average winter than the adjacent zone. In years when snow comes late or leaves early, protect plants with a 5- or 6-inch layer of organic mulch. About 85 nights have temperatures below 32°F (0°C),with lows between 11 and 0°F (–12 to –18°C). The USDA Plant Hardiness Zone Map is a product of USDA Agricultural Research Service (ARS) , with assistance from the PRISM Climate Group at Oregon State University . Since there's apparently a discussion going on about merging some articles, I don't want to upset the apple cart. More rain falls in the east than in the west, and the Pecos River drainage receives more precipitation in summer than in winter. The Sunset zones, popularized and researched by Sunset Magazine, are derived from climate zones developed by the University of California Cooperative Extension. The average all-time high of weather stations in Zone 24 is 105°F (41°C). Find your Climate Zone--the key to knowing what plants thrive in your area. But though the intermediate desert averages only 5 more freezing nights than the low desert (20 in Tucson compared with 15 in Phoenix and El Centro), it has harder frosts spread over a longer cold season. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. Be still my heart. The USDA offers a handy planting zones by zip code search function. It also shows up in western Montana and Nevada and in mountain areas of the Southwest. Corp., Menlo Park, Calif.), the western U.S. is divided into a large number of Climate Zones. Often we are asked by PLANTS users about the USDA Plant Hardiness Zone Map, but neither PLANTS/NPDT, nor the USDA NRCS as a whole, are responsible for this map. When temperatures drop below that, orchardists can lose even their trees. The lack of a pronounced chilling period during the winter limits the use of such deciduous woody plants as flowering cherry and lilac. The Arbor Day Foundation has also issued a Hardiness Zone Map. Extreme low temperatures of 6°F (–14°C) have been recorded in Zone 12. Annual plants in USDA Hardiness Zones 3-8, they can be grown as perennials in Zones 9-11. Winter temperatures here usually hover between 10 and 20°F (–12 to –7°C) at night, with drops between –20 and –30°F (–29 and –34°C) every few years. The USDA plant hardiness map divides North America into 11 hardiness zones. Sunset zones are based on a combination of extremes and averages of minimum, maximum, and mean temperature, rainfall, humidity, and the length of the growing season. The gardening year begins in fall for most vegetables and annual flowers, although crops like corn and melons are planted in late winter. That’s why you’ll find orchards in this zone in almost every state in the West.You’ll also find this warm-summer, snowy-winter climate along Colorado’s Western Slope and mild parts of the Front Range; in Nevada from Reno to Fallon, then north to Lovelock; in large areas of northern Arizona and New Mexico; and in mild parts of the Columbia and Snake River basins. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C). Fruits and vegetables that thrive in long, warm summers, such as melons, gourds, and corn, tend to do well here. Zone 12 averages about 8 months between freezes, 9 months between killing frosts of 28°F (–2°C) or lower. If soil moisture is inadequate, the characteristic winds and bright sunlight may combine to dry out normally hardy evergreen plants, killing or badly injuring them. Such plants include bananas, tree ferns, and the like. Record heat usually comes in early October, carried to the coast by Santa Ana winds. SUNSET is a registered trademark Aloe Vera. Another snowy winter climate, Zone 2A covers several regions that are considered mild compared with surrounding climates. To further assure success, grow vegetables from seedlings you start yourself or buy from a nursery or garden center. Along with hardy evergreen conifers, tough deciduous trees and shrubs form the garden’s backbone. Extreme lows—the kind you see once every 10 or 20 years—in Zone 21 average 28 to 25°F (–2 to –4°C).All-time record lows in the zone were 27 to 17°F (–3 to –8°C). The gardening year begins in fall for most vegetables and annual flowers, although crops like corn and melons are planted in late winter. SUNSET is a registered trademark Why Planting Zones Matter. If you see a hardiness zone in a gardening catalog or plant description, chances are it refers to this USDA map. The winters are mild, the summers cool, and the air seldom really dry. These Climate Zones do NOT correspond to the USDA Hardiness Zones. ZONE 2B: Warmer-summer intermountain climate. zone 11. In Zones 20 and 21, the same relative pattern prevails as in Zones 18 and 19. It also includes parts of southern Utah and Nevada, and adjacent California desert. Robin's Garden Column; Growing Guide Library; Growing Vegetables. This is the coldest zone in which sweet cherries and many apples grow. Gardeners can plant warm-season vegetables as long as they are short-season varieties. However each plant’s hardiness is not the only factor that will determine its success. Its frost-free growing season runs from 150 to 186 days. The USDA zones work well for the East, while the Sunset zones work excellent for the West. Average summer high is 107°F (42°C); the world’s second highest temperature—a scorching 134°F (56°C)—was recorded in Death Valley on July 10, 1913. One of the most favored areas in North America for growing subtropical plants, Zone 23 has always been Southern California’s best zone for avocados. Read More. The growing season here in Zone 2b runs from 115 days in higher elevations and more northerly areas to more than 160 days in southeastern Colorado. Zones 15 and 16 are areas of Central and Northern California that are influenced by marine air approximately 85 percent of the time and by inland air 15 percent of the time.Also worthy of note is that although Zone 16 is within the Northern California coastal climate area, its winters are milder because the areas in this zone are in thermal belts (explained on page 28). Frosts don’t amount to much here, because 85 percent of the time, Pacific Ocean weather dominates; interior air rules only 15 percent of the time. Temperatures are mild here, but severe winters descend at times.Average lows range from 43 to 48°F (6 to 9°C), while extreme lows average from 34 to 27°F (1 to –3°C). Florida USDA Hardiness Zones Also known as plant, growing, or climate zones, the USDA hardiness map defines 11 total hardiness zones for the minimum range of temperatures that a plant can survive. Just keep them well watered. But though the intermediate desert averages only 5 more freezing nights than the low desert (20 in Tucson compared with 15 in Phoenix and El Centro), it has harder frosts spread over a longer cold season. Oct 21, 2012 - Gardening ~ Plant Hardiness Zone 11 ( above 40 F ) Group Board. You live in Sunset Zone 11. The USDA zone map divides the country into 26 or so different zones, while the Sunset system has over 40. That’s why you’ll find orchards in this zone in almost every state in the West.You’ll also find this warm-summer, snowy-winter climate along Colorado’s Western Slope and mild parts of the Front Range; in Nevada from Reno to Fallon, then north to Lovelock; in large areas of northern Arizona and New Mexico; and in mild parts of the Columbia and Snake River basins. ZONE 23: Thermal belts of Southern California’s coastal climate. On average, there are 110 summer days above 90°F (32°C),with the highest temperatures recorded between 111 and 117°F (44 to 47°C).About 85 nights have temperatures below 32°F (0°C),with lows between 11 and 0°F (–12 to –18°C). Because temperatures rarely drop very far below 30°F (–1°C), this is fine citrusgrowing country. ZONE 2A: Cold mountain and intermountain areas. Zone 11 is not, technically, the hottest USDA zone: There are special zones 12 and 13 for Hawaii and Puerto Rico. Sunrise & Sunset; Moonrise & Moonset; Planets Visible Tonight; Meteor Showers Guide; ... Garden Tips by Month; How-To Videos; Advice. In Albuquerque,New Mexico, and Benson and Kingman, Arizona, average winter minimums range from 32 to 23°F (0 to –5°C). The crucial difference between Arizona’s intermediate desert (Zone 12) and the low desert (Zone 13) is winter cold. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. Zone 10 has a definite winter season—75 to more than 100 nights below 32°F (0°C).That favors deciduous fruits, though late frosts can work against apricot crops. About Us. This is another great zone for all kinds of deciduous fruit trees and ornamental trees and shrubs. ZONE 2A: Cold mountain and intermountain areas. Choose plants and find a nursery near you. Gardeners can plant warm-season vegetables as long as they are short-season varieties. Pavonia (Zones 8-11) The range of minimum average temperatures for zone 11 is between 40°F and 50°F or +4.4°C and +10°C. It is too hot, too cold, and too dry for fuchsias but cold enough for tree peonies and many apple varieties, and mild enough for a number of avocado varieties. Over a 20-year period, winter lows averaged from 22 to 17°F (–6 to –8°F).The all-time lows recorded by different weather stations in Zone 18 ranged from 22 to 7°F (–6 to –14°C). Tender perennials like geraniums and impatiens rarely go out of bloom here; spathiphyllums and pothos become outdoor plants; and tender palms are safe from killing frosts. ZONE 11: Medium to high desert of California and southern Nevada. Several such canyons between Laguna Beach and San Clemente are visible on the map. You’ll find this zone stretched over Colorado’s northeastern plains, a bit of it along the Western Slope and Front Range of the Rockies, as well as mild parts of river drainages like those of the Snake, Okanogan, and the Columbia. Various initiatives have taken place to determine how well plants would withstand the cold winter temperatures (Plant Hardiness Zones) or when plants would start suffering from the heat (Plant Heat Zones). In years when snow comes late or leaves early, protect plants with a 5- or 6-inch layer of organic mulch. ZONE 3A: Mild areas of mountain and intermountain climates. The wind’s power and dryness usually causes more problems than the heat itself—but you can ameliorate scorching with frequent sprinkling. Winter lows average in the 0 to 11°F (–18 to –12°C) range; extremes range from –25 to –50°F (–32 to –46°C). ZONE 11: Medium to high desert of California and southern Nevada. According to this system, most readers probably live in Zone 24, although the inland valleys of Ojai and Santa Ynez fall in zones … Many subtropicals that do well in Zone 13 aren’t reliably hardy here, but succeed with protection against the extreme winters. Zones 15 and 16 are areas of Central and Northern California that are influenced by marine air approximately 85 percent of the time and by inland air 15 percent of the time.Also worthy of note is that although Zone 16 is within the Northern California coastal climate area, its winters are milder because the areas in this zone are in thermal belts (explained on page 28). Ideally you want plants that are native to or can readily adapt to your region. The mild days and chilly nights during the growing season extend the bloom of summer perennials like columbines and Shasta daisies. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C). East of the Sierra and Cascade ranges, you can hardly find a better gardening climate than Zone 3a.Winter minimum temperatures average from 15 to 25°F (–9 to –4°C), with extremes between –8 and –18°F (–22 and –28°C). From March to May, strong winds (to 40 miles per hour) can damage young tender growth. The growing season is 50 to 100 days. Winter lows average from 42°F (5°C) in Santa Barbara to 48°F (9°C) in San Diego. These are considerably higher than the temperatures in neighboring Zone 18. Both zones, then, have very poor climates for such plants as fuchsias, rhododendrons, and tuberous begonias. To further assure success, grow vegetables from seedlings you start yourself or buy from a nursery or garden center. Extreme winter lows (the coldest temperature you can expect in 20 years) average 28 to 25°F (–2 to –4°C). The mild days and chilly nights during the growing season extend the bloom of summer perennials like columbines and Shasta daisies. The growing season is 100 to 150 days. In the Sunset Western Garden Book (2015), Sunset Pub. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. When you order plants from catalogs or read general garden books, you need to know your USDA zone in order to be able to interpret references correctly. Many herbaceous perennials from colder regions fail here because the winters are too warm for them to go dormant. This system is popular in the West, whereas the USDA system is predominant in the East. Ranging from below sea level in the Imperial Valley and Death Valley to 1,100 feet around Phoenix, Zone 13 is a subtropical desert.Average summer high is 107°F (42°C); the world’s secondhighest temperature—a scorching 134°F (56°C)—was recorded in Death Valley on July 10, 1913. ZONE 1A: Coldest mountain and intermountain areas of the contiguous states. You will find Lancaster on Page 57 in “Sunset Western Garden Book” which as a gardener you probably own or certainly can access at your local library. Alternatively, discover plenty of exciting garden ideas for your geographic area. The growing season is 50 to 100 days. ZONE 1A: Coldest mountain and intermountain areas of the contiguous states Marked by a short growing season and relatively mild summer temperatures, Zone 1A includes the coldest regions west of the Rockies, excluding Alaska, and a few patches of cold country east of the Great Divide. Vintage-cover posters, coffee mugs, jigsaw puzzles, tote bags, and more. Planting a garden is an investment of both time and money. Winter temperatures here usually hover between 10 and 20°F (–12 to –7°C) at night, with drops between –20 and –30°F (–29 and –34°C) every few years. Along with hardy evergreen conifers, tough deciduous trees and shrubs form the garden’s backbone. You’ll find this zone stretched over Colorado’s northeastern plains, a bit of it along the Western Slope and Front Range of the Rockies, as well as mild parts of river drainages like those of the Snake, Okanogan, and the Columbia. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C).On average, there are 110 summer days above 90°F (32°C),with the highest temperatures recorded between 111 and 117°F (44 to 47°C). Sunset zones are based on total climate and other variables, including the length of growing season, rainfall, temperature lows and highs, wind, humidity, elevation, and microclimates. Winter lows average in the 0 to 11°F (–18 to –12°C) range; extremes range from –25 to –50°F (–32 to –46°C). East of the Sierra and Cascade ranges, you can hardly find a better gardening climate than Zone 3a.Winter minimum temperatures average from 15 to 25°F (–9 to –4°C), with extremes between –8 and –18°F (–22 and –28°C).