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). 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. The characteristics of Zone 11 are described on page 59. 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. 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 . This zone consists mostly of the 3,300- to 5,000-foot elevations in parts of Arizona and New Mexico. Partly because of the unusually low temperatures created by this canyon action, there is a broad range of winter lows in Zone 24. The mean maximums in July and August are 5 or 6°F cooler than the highs of Zone 13. Vintage-cover posters, coffee mugs, jigsaw puzzles, tote bags, and more. 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. 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. Zone 18 never supplied much commercial citrus, but home gardeners who can tolerate occasional minor fruit loss can grow citrus here. Since there's apparently a discussion going on about merging some articles, I don't want to upset the apple cart. Spring winds can set back plants, but summer storms cool down gardens, shield plants from the sun, and supply a little extra water. Choose plants … 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. The USDA zones work well for the East, while the Sunset zones work excellent for the West. ZONE 11: Medium to high desert of California and southern Nevada This climate zone shares similarities with its neighbors—the cold-winter Zones 1, 2, and 3, and the subtropical low desert, Zone 13. More rain falls in the east than in the west, and the Pecos River drainage receives more precipitation in summer than in winter. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C). Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. All Rights Reserved. Here, as in Zone 13 and the eastern parts of Zone 10, summer rains are to be expected and can be more dependable than winter rains.And as in Zone 13, the best season for cool-season crops (salad greens, root vegetables, cabbage family members) starts in September or October. Sunset Climate Zones. Sunset's Climate Zones are based on winter minimum temperatures, but also include other factors such as summer high temperatures, length of growing season, humidity, and rainfall. 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. If you are not sure which hardiness zone you belong to, please check the map below. This zone consists mostly of the 3,300- to 5,000-foot elevations in parts of Arizona and New Mexico. Oct 21, 2012 - Gardening ~ Plant Hardiness Zone 11 ( above 40 F ) Group Board. To see the eastern tip of Southern California, click on the thumbnail image under the main map. When temperatures drop below that, orchardists can lose even their trees. Be still my heart. These durable plants thrive in the sun, and are drought tolerant. This means that the major influence on climate is the continental air mass; the ocean determines the climate no more than 15 percent of the time. Kirkland (and most of the Puget Sound lowlands) are solidly in Sunset zone 5. zone 11. 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. Several such canyons between Laguna Beach and San Clemente are visible on the map. Just keep them well watered. About Sunset Climate Zones About Sunset Climate Zones A plant's performance is governed by the total climate: length of growing season, timing and amount of … Air Plants. 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. At the same time, Zone 21 is also the mildest zone that gets sufficient winter chilling for most forms of lilacs and certain other chill-loving plants. Corp., Menlo Park, Calif.), the western U.S. is divided into a large number of Climate Zones. Sunrise & Sunset; Moonrise & Moonset; Planets Visible Tonight; Meteor Showers Guide; ... Garden Tips by Month; How-To Videos; Advice. In the Sunset Western Garden Book (2015), Sunset Pub. Because of the greater ocean influence, this climate supports a wide variety of plants.You can see the range of them at the Los Angeles County Arboretum in Arcadia. Copyright © 2021 Sunset Publishing Corporation. Zone 23 lacks either the summer heat or the winter cold necessary to grow pears,most apples, and most peaches. ZONE 22: Cold-winter portions of Southern California’s coastal climate. If you see a hardiness zone in a gardening catalog or plant description, chances are it refers to this USDA map. of Sunset Publishing Corporation. Where the beach runs along high cliffs or palisades, Zone 24 extends only to that barrier. Fruits and vegetables that thrive in long, warm summers, such as melons, gourds, and corn, tend to do well here. And Sunset offers a climate zone map that can help you select appropriate plants. Further south, they will remain evergreen. Sunset climate zone. Default is all zones. This climate zone shares similarities with its neighbors—the cold-winter Zones 1, 2, and 3, and the subtropical low desert, Zone 13. This climate zone shares similarities with its neighbors—the cold-winter Zones 1, 2, and 3, and the subtropical low desert, Zone 13. These Climate Zones do NOT correspond to the USDA Hardiness Zones. 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).About 85 nights have temperatures below 32°F (0°C),with lows between 11 and 0°F (–12 to –18°C). Ranging from below sea level in the Imperial Valley and Death Valley to 1,100 feet around Phoenix, Zone 13 is a subtropical desert. To further assure success, grow vegetables from seedlings you start yourself or buy from a nursery or garden center. 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… Windbreaks help. There is also a competing system known as the " Sunset climate zones ." A more sophisticated approach has been followed by Sunset which defines Climate Zone Maps based not only on hardiness or heat tolerance, but also on precipitations, wind, humidity and various other climate related factors. If you’ve ever put in the effort to start your plants from seeds, or you’ve shelled out the money to plant a garden from seedlings someone else has started, you understand why planting zones matter.. In Zones 20 and 21, the same relative pattern prevails as in Zones 18 and 19. 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. Along with hardy evergreen conifers, tough deciduous trees and shrubs form the garden’s backbone. Growing seasons are very long—up to 225 days. Many sections of Zone 19 have always been prime citrus-growing country—especially for those kinds that need extra summer heat in order to grow sweet fruit. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. Sunset's Plant Finder makes it easy to find the best plants for your backyard: Search plants by color, size, type, and growing needs. If your garden gets reliable snow cover (which insulates plants), you’ll be able to grow perennials listed for some of the milder zones. 1A is the coldest zone in the US which averages a minimum winter temperature of -60 degrees Fahrenheit. Spring winds can set back plants, but summer storms cool down gardens, shield plants from the sun, and supply a little extra water. Gardeners who plant under overhangs or tree canopies can grow subtropical plants that would otherwise be burned by a rare frost. Extreme winter lows over a 20-year period ranged from 28 to 22°F (–2 to –6°C) and the all-time lows at different weather stations range from 23 to 17°F (–5 to –8°C). 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). Winter temperatures are milder than in neighboring Zone 2a, minimums averaging from 12 to 22°F (–11 to –6°C),with extremes in the –10 to –20°F (–23 to –29°C) range. 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. This is another great zone for all kinds of deciduous fruit trees and ornamental trees and shrubs. Sunset's Plant Finder makes it easy to find the best plants for your backyard: Search plants by color, size, type, and growing needs. Here is a link to Sunset Climate Zones: The crucial difference between Arizona’s intermediate desert (Zone 12) and the low desert (Zone 13) is winter cold. Here is a link to Sunset Climate Zones: