That’s why you’ll find orchards in this zone in almost every state in the West. Choosing plants that are native to the region can make it easier to start and maintain an organic garden in a more unforgiving climate. Woody Broadleaf Search; Conifer Search; Additional Information. ZONE 17. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. If your garden gets reliable snow cover (which insulates plants), you’ll be able to grow perennials listed for some of the milder zones. ZONE 4: Cold-winter areas of the north coast and mild-winter areas of Alaska and British Columbia. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. ), Sunset ZONE 1A: Coldest mountain and intermountain areas of the contiguous states. (See the Sunset Climate Zones website for climate maps and more details. Hot summer days are followed by mild nights; near-freezing winter nights are followed by daytime temperatures near 60°F (16°C). Average January minimum temperatures range from 33 to 41°F (1 to 5°C),with annual lows averaging a few degrees colder, and 10-year extremes ranging from 20 to 6°F (–7 to –14°C). Warmer summers and cooler winters distinguish Zone 6 from coastal Zone 5. Copyright © 2021 Sunset Publishing Corporation. Gray pines define the heart of Zone 7 around the Central Valley, but more adaptable incense cedars replace them farther north and south. It gets considerable influence from the Pacific Ocean, but also from the continental air mass, higher elevation, or both. Zone 3b offers one of the longest growing seasons of the intermountain climates. ZONE 17: Marine effects in Southern Oregon, Northern and Central California The climate in this zone features mild,wet, almost frostless winters and cool summers with frequent fog or wind. 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). These dates occur during July and August. Zone 7 encompasses several thousand square miles west of the Sierra Nevada and Cascade ranges, and in the mountains that separate the Southern California coast from interior deserts. Most of it lies in the warmest parts of eastern Washington’s Columbia Basin, with bits in Lewiston, Idaho, and parts of the Southwest. 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. Elevation. 15°F to 20°F. Summer highs run between 65 and 70°F (18 and 21°C) along the coast, and between 70 and 75°F (21 and 24°C) inland and around Puget Sound. Zone 9b. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Upper Mississippi Valley, Upper Michigan, Southern Ontario and Quebec Growing season: late May to mid-Sept. In all the other adjacent climate zones, average highest temperatures are in the 104 to 116°F (40 to 47°C) range. The Coast Range buffers the impact of Pacific storms, but Zone 6 is still a maritime climate, with a long growing season (from 155 days at Cottage Grove to 280 days in Portland neighborhoods) and 40 to 55 inches of annual precipitation most places. The average highest temperature in Zone 17 is 97°F (36°C). Warm summers and chilly winters make the Willamette Valley one of the West’s best-known growing areas for berries, hazelnuts, roses, flowering fruit trees, and broadleafed evergreens. The Willamette Valley’s hills and small mountain ranges create many microclimates. ZONE 1A: Coldest mountain and intermountain areas of the contiguous states. Not to be confused with the somewhat similar M. gale (Sweet-gale), which is a smaller (to 2 m) deciduous shrub, the lower side of its leaves are dotted with yellow waxy glands and … No zone grows better perennials and bulbs; people who like woodland plants and rock plants love Zone 4. Gardeners here count on 180 to 210 frost-free days with plenty of heat. These zone descriptions will guide you in choosing the right plants for your garden. The lowest temperatures on record range from 30 to 20°F (–1 to –7°C). The mild days and chilly nights during the growing season extend the bloom of summer perennials like columbines and Shasta daisies. The Sunset Climate Zones, which are more comprehensive than the zones created by the USDA, might be more useful in the western part of the country. Tucked between the Coast Range and the Cascades, Zone 6 includes the Willamette Valley in Oregon, the Columbia River Valley between Vancouver and Longview, and the Cowlitz drainage from Longview to Toledo. In the Sunset Western Garden Book (2015), Sunset Pub. Hardy to USDA Zone 3 Widely distributed across North America Sometimes the species is separated into two varieties: Symphoricarpos albus var. For a detailed Western Oregon zone map, click the link under image at left. Though the growing season averages between 200 and 250 days, heat accumulation is low, and warm-season vegetables develop slowly. Zone 3b is much like Zone 3a, but with slightly milder winter averages of 19 to 29°F (–7 to –2°C) and extremes that usually bottom out between –2 and –15°F (–19 to –26°C). At weather-recording stations in Zone 7, typical winter lows range from 35 to 26°F (2 to –3°C),with record lows averaging from 18 to -0° F (–8 to –18°C). Hot summers and mild but pronounced winters give Zone 7 sharply defined seasons without severe winter cold or enervating humidity. Using climate zone information. Calculations of sunrise and sunset in Portland – Oregon – USA for August 2021. Calculations of sunrise and sunset in Portland – Oregon – USA for May 2021. Zone 9a. In their habitat, quaking aspen forms clones connected by a common parent root system. 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. Sunset ZONE 2A: Cold mountain and intermountain areas. All Rights Reserved. The climate is humid from spring through early fall; summer rains are usually dependable. Such mild temperatures favor leaf vegetables, which are slow to bolt, and flowering ornamentals like begonias. Summer temperatures in Zone 6 average 10 to 15°F (5 to 8°C) higher than those along the coast, while winters are cold enough to trigger good fruit set. At weather-recording stations in Zone 7, typical winter lows range from 35 to 26°F (2 to –3°C),with record lows averaging from 18 to -0° F (–8 to –18°C). This is a zone that offers a good balance of long, warm summers and chilly winters, making it an excellent climate zone for commercial fruit growing. Ten-year extremes average 0 to 10°F (–18 to –12°C). The continental influence is felt two to four times each winter when chilly interior air flows west through the Columbia Gorge and produces wind and freezing rain clear to the Portland airport. Average winter lows in Zone 4 range from 34°F (1°C) down to 28°F (–2°C),with extreme lows averaging 8 to 0°F (–13 to –18°C). In the contiguous states, Zone 4 has more cold than neighboring Zone 5, more snow, and a shorter growing season. Sunset ZONE 3B: Mildest areas of intermountain climates. These areas are too high and cold in winter to be included in milder Zones 15 and 16. It gets considerable influence from the Pacific Ocean, but also from the continental air mass, higher elevation, or both. In spite of this, Portland is among the mildest parts of Zone 6—a great place to experiment with borderline plants like eucalyptus, acacias, and oleanders. The continental influence is felt two to four times each winter when chilly interior air flows west through the Columbia Gorge and produces wind and freezing rain clear to the Portland airport. Gardeners in a few spots around the San Francisco Bay will be surprised to find their gardens mapped in Zone 7. Along with hardy evergreen conifers, tough deciduous trees and shrubs form the garden’s backbone. On most days and in most places, the fog tends to come in high and fast, creating a cooling and humidifying blanket between the sun and the earth, reducing the intensity of the light and sunshine. But beware: though you can grow winter vegetables in the southern part of Zone 4, it doesn’t get enough winter sunlight in Alaska to sustain them. The climate in this zone features mild, wet, almost frostless winters and cool summers with frequent fog or wind. The lowest temperatures on record range from 30 to 20°F (–1 to –7°C).Of further interest in this heat-starved climate are the highs of summer, normally in the 60 to 75°F (16 to 24°C) range. Below are the Sunset Climate Zones used to cover Oregon, Washington, and Idaho. To further assure success, grow vegetables from seedlings you start yourself or buy from a nursery or garden center. It also shows up in western Montana and Nevada and in mountain areas of the Southwest. Average January minimum temperatures range from 33 to 41°F (1 to 5°C),with annual lows averaging a few degrees colder, and 10-year extremes ranging from 20 to 6°F (–7 to –14°C). Plant Identification: Examining Leaves; Scientific Plant Names; Glossary of technical terms; USDA Hardiness Zone Maps of the United States; Sunset's Climate Zones; References; Oregon Master Gardener Training: Identifying Woody Plants Sunset climate zones: Western Washington. On most days and in most places, the fog tends to come in high and fast, creating a cooling and humidifying blanket between the sun and the earth, reducing the intensity of the light and sunshine. About Sunset Climate Zones A plant's performance is governed by the total climate: length of growing season, timing and amount of rainfall, winter lows, summer highs, wind, and humidity. Click on Oregon State University, or write Oregon State University, Corvallis, OR 97331-4501, USA. This is fabulous country for annual vegetables and flowers and a long list of perennials, trees, shrubs, and vines. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. of Sunset Publishing Corporation. 25°F to 30°F. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Some heat-loving plants (citrus, hibiscus, gardenia) don’t get enough heat to fruit or flower reliably. However, it’s one of the smallest zones. It’s also fine country for native woodland ferns, trilliums, piggyback plants, vine maples, and dogwoods. Calculations of sunrise and sunset in Medford Watershed – Oregon – USA for January 2021. ZONE 17: Marine effects in Southern Oregon, Northern and Central California The climate in this zone features mild,wet, almost frostless winters and cool summers with frequent fog or wind. The growing season is 150 to 200 days long, but because Zone 4 summers are temperate (highs average from the low 60s to the 70s), plants take more time to develop. 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.When temperatures drop below that, orchardists can lose even their trees. Because of the influence of latitude, this climate lies mostly at low elevations in Oregon’s Rogue Valley, middle elevations around California’s Central Valley, and at middle to higher elevations farther south. In a 20-year period, the lowest winter temperatures in Zone 17 ranged from 36 to 23°F (2 to –5°C). Gardeners can plant warm-season vegetables as long as they are short-season varieties. 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. Tucked between the Coast Range and the Cascades, Zone 6 includes the Willamette Valley in Oregon, the Columbia River Valley between Vancouver and Longview, and the Cowlitz drainage from Longview to Toledo. Ten-year extremes average 0 to 10°F (–18 to –12°C). ZONE 6: The Willamette and Columbia River Valleys. Sunset ZONE 17: Marine effects in Southern Oregon, Northern and Central California. CPN (Certified Plant Nerd)Patrick.Breen@oregonstate.edu, College of Agricultural Sciences - Department of Horticulture, USDA Hardiness Zone Maps of the United States, Oregon Master Gardener Training: Identifying Woody Plants. Zone 6 includes the Willamette Valley in Oregon, the Columbia River Valley between Vancouver and Longview, and the Cowlitz drainage from Longview to Toledo. Withstands neglect (Sunset)." albus , a relatively low growing shrub (to 1 m) found in eastern North America, and Symphoricarpos albus var. Calculations of sunrise and sunset in Coos Bay – Oregon – USA for December 2021. Interestingly enough, these sunny days are responsible for the occurrence of radiational cooling, resulting in frost any time of the year. Summer temperatures are a bit higher than in Zone 3a—mostly in the high 80s and low- to mid-90s. The growing season is 100 to 150 days. Calculations of sunrise and sunset in Portland – Oregon – USA for January 2021. ZONE 43. Deciduous fruit trees do well also; the region is noted for its pears, apples, peaches, and cherries. The growing season is 50 to 100 days. Arctic air dominates in winter, with lows typically from -20 degrees to -30 degrees F/-29 degrees to -34 degrees C. ZONE 44. Of further interest in this heat-starved climate are the highs of summer, normally in the 60 to 75°F (16 to 24°C) range. The Coast Range buffers the impact of Pacific storms, but Zone 6 is still a maritime climate,with a long growing season (from 155 days at Cottage Grove to 280 days in Portland neighborhoods) and 40 to 55 inches of annual precipitation most places. In the mildest parts of Zone 7—in the extreme southern Salinas Valley, for example—you can get away with growing borderline plants such as citrus, oleanders, and almonds if you choose a spot with good air drainage to take the edge off winter chill. ZONE 7: California’s Gray Pine Belt, Oregon’s Rogue River Valley, and Southern California mountains. The higher elevations are especially susceptible to frost and can experience frost during the summer months. ZONE 17: Marine effects in Southern Oregon, Northern and Central California The climate in this zone features mild,wet, almost frostless winters and cool summers with frequent fog or wind. ZONE 18. Sunset ZONE 17: Marine effects in Southern Oregon, Northern and Central California The climate in this zone features mild, wet, almost frostless winters and cool summers with frequent fog or wind. Home » Climate Zones A plant's performance is governed by the total climate: length of growing season, timing and amount of rainfall, winter lows, summer highs, wind, and humidity. Kirkland (and most of the Puget Sound lowlands) are solidly in Sunset zone 5. 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). Hardy to USDA Zone 1 The most widely distributed tree in North America. As it extends north, the zone first touches salt water in northern Puget Sound and is almost entirely surrounded by salt water in southeastern Alaska. On most days and in most places, the fog tends to come in high and fast, creating a cooling and humidifying blanket between the sun and the earth, reducing the intensity of the light and sunshine. The average highest temperature in Zone 17 is only 97°F (36°C). Sunset ZONE 6: The Willamette and Columbia River Valleys. Summer highs run between 65 and 70°F (18 and 21°C) along the coast, and between 70 and 75°F (21 and 24°C) inland and around Puget Sound. 10°F to 15°F. Sunset climate zones are based more on local microclimates and quirks of our western landscape. The climate in this zone features mild,wet, almost frostless winters and cool summers with frequent fog or wind. The mild days and chilly nights during the growing season extend the bloom of summer perennials. Steady breezes and lower temperatures, especially along the coast,make windbreaks and warm microclimates critical for heat-loving plants. Sunset’s Climate Zones consider temperature as well as other important factors: Latitude. Zone 3b is much like Zone 3a, but with slightly milder winter averages of 19 to 29°F (–7 to –2°C) and extremes that usually bottom out between –2 and –15°F (–19 to –26°C). As it extends north, the zone first touches salt water in northern Puget Sound and is almost entirely surrounded by salt water in southeastern Alaska. Calculations of sunrise and sunset in Eugene – Oregon – USA for January 2021. Sunset climate zones: Western Oregon. Average winter lows in Zone 4 range from 34°F (1°C) down to 28°F (–2°C),with extreme lows averaging 8 to 0°F (–13 to –18°C). On most days and in most places, the fog tends to come in high and fast, creating a cooling and humidifying blanket between the sun and the earth, reducing the intensity of the light and sunshine. Warmer summers and cooler winters distinguish Zone 6 from coastal Zone 5. 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 zone map divides the country into 26 or so different zones, while the Sunset system has over 40. Its frost-free growing season runs from 150 to 186 days. On most days and in most places, the fog tends to come in high and fast, creating a cooling and humidifying blanket between the sun and the earth, reducing the intensity of the light and sunshine. South- and west-facing slopes are warm enough to produce world-class Pinot Noir grapes, while northand east-facing slopes are perfect for shade tolerant plants like rhododendrons, fatsias, and camellias. 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. These Climate Zones do NOT correspond to the USDA Hardiness Zones. Saved by Panda Love. This climate zone shares similarities with its neighbors—the cold-winter Zones 1, 2, and 3, and the subtropical low desert, Zone 13. Woody Plants of Oregon; Woody Plant Search. Get fresh recipes, wine pairings, weekend getaway ideas, regional gardening tips, home design inspiration, and more. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. ZONE 1B: Coldest Eastern Rockies and plains climate of Colorado, Wyoming, Montana, and Southern Alberta. Use of this site constitutes acceptance of our. Corp., Menlo Park, Calif.), the western U.S. is divided into a large number of Climate Zones. Generally, the farther an area is from the equator, the longer and colder are its winters. Patrick Breen, Most of it lies in the warmest parts of eastern Washington’s Columbia Basin,with bits in Lewiston, Idaho, and parts of the Southwest. Big freezes do considerable damage when they come very early or very late. Summer temperatures are a bit higher than in Zone 3a—mostly in the high 80s and low- to mid-90s. These hills have perfect air drainage, so winters get less frost than the valley floor. Centered over the plains of Wyoming and Montana, this zone sees January temperatures from 0 to 12°F (–18 to –11°C),with extremes between –30 and –50°F (–34 to –46°C). Calculations of sunrise and sunset in Oregon Coast – Oregon – USA for January 2021. In addition to temperature, the “Sunset” zones also account for latitude, elevation, ocean influence, continental air influence and terrain such as mountains and hills. 20°F to 25°F. The growing season is 50 to 100 days. You’ll also find this warm-summer, snowy-winter climate along Colorado’s Western Slope and mild parts of the Front Range  and in mild parts of the Columbia and Snake River basins. Oceanside Northern and Central California and Southernmost Oregon Growing season: late Feb. to early Dec. Coolness and fog are hallmarks; summer highs seldom top 75 degrees F/24 degrees C, while winter lows run from 36 degrees to 23 degrees F/2 degrees to -5 degrees C. Heat-loving plants disappoint or dwindle here. Zone 8b. The climate pleases plants that require a marked seasonal pattern to do well—flower bulbs, peonies, lilacs, and flowering cherries, for example. Some locations (Coupeville, Raymond, Long Beach, Tillamook, Newport) get 10-year lows between 6° and 10°F (-14° and –12°C), but much of the region, especially along the Oregon coast, is mild enough to let gardeners get away with growing plants like Washingtonia robusta and hardy forms of Agave americana. Gray pines define the heart of Zone 7 around the Central Valley, but more adaptable incense cedars replace them farther nort… Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. 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