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). Zone 6 includes the Willamette Valley in Oregon, the Columbia River Valley between Vancouver and Longview, and the Cowlitz drainage from Longview to Toledo. 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. 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. Hardy to USDA Zone 1 The most widely distributed tree in North America. Choosing plants that are native to the region can make it easier to start and maintain an organic garden in a more unforgiving climate. ZONE 4: Cold-winter areas of the north coast and mild-winter areas of Alaska and British Columbia. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. 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. Sunset ZONE 3B: Mildest areas of intermountain climates. Calculations of sunrise and sunset in Portland – Oregon – USA for September 2021. Gray pines define the heart of Zone 7 around the Central Valley, but more adaptable incense cedars replace them farther nort… 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). The climate in this zone features mild, wet, almost frostless winters and cool summers with frequent fog or wind. 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. Copyright © 2021 Sunset Publishing Corporation. The mild days and chilly nights during the growing season extend the bloom of summer perennials. 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. 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. 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. Historically, there are less than 10 frost-free days (32°F or greater) in the city of Bend. Sunset climate zones: Western Washington. These dates occur during July and August. 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 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). ZONE 43. 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. 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). 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 … Upper Mississippi Valley, Upper Michigan, Southern Ontario and Quebec Growing season: late May to mid-Sept. Elevation. Zone 8b. 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. Arctic air dominates in winter, with lows typically from -20 degrees to -30 degrees F/-29 degrees to -34 degrees C. ZONE 44. Since trees are typically dieocious (i.e., male and female flowers on separate plants), a given clone may be either male or female. It also shows up in western Montana and Nevada and in mountain areas of the Southwest. In all the other adjacent climate zones, average highest temperatures are in the 104 to 116°F (40 to 47°C) range. This climate zone shares similarities with its neighbors—the cold-winter Zones 1, 2, and 3, and the subtropical low desert, Zone 13. In their habitat, quaking aspen forms clones connected by a common parent root system. Hardy to USDA Zone 6 Native to southeastern Europe and Asia Minor. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Click on Oregon State University, or write Oregon State University, Corvallis, OR 97331-4501, USA. In a 20-year period, the lowest winter temperatures in Zone 17 ranged from 36 to 23°F (2 to –5°C). ZONE 7: California’s Gray Pine Belt, Oregon’s Rogue River Valley, and Southern California mountains. For a detailed Western Oregon zone map, click the link under image at left. Ten-year extremes average 0 to 10°F (–18 to –12°C). Zone 3b offers one of the longest growing seasons of the intermountain climates. Interestingly enough, these sunny days are responsible for the occurrence of radiational cooling, resulting in frost any time of the year. 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. 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 6: The Willamette and Columbia River Valleys. Its frost-free growing season runs from 150 to 186 days. These zone descriptions will guide you in choosing the right plants for your garden. 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). The growing season is 50 to 100 days. These hills have perfect air drainage, so winters get less frost than the valley floor. All Rights Reserved. Along with hardy evergreen conifers, tough deciduous trees and shrubs form the garden’s backbone. 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. Big freezes do considerable damage when they come very early or very late. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Calculations of sunrise and sunset in Medford Watershed – Oregon – USA for January 2021. Patrick Breen, 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. Below are the Sunset Climate Zones used to cover Oregon, Washington, and Idaho. In addition to temperature, the “Sunset” zones also account for latitude, elevation, ocean influence, continental air influence and terrain such as mountains and hills. No zone grows better perennials and bulbs; people who like woodland plants and rock plants love Zone 4. Kirkland (and most of the Puget Sound lowlands) are solidly in Sunset zone 5. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Oregon which ranges from USDA Zone 4a to USDA Zone 9b. Most reputable nurseries will only sell plants that will grow in the surrounding area. Summer temperatures are a bit higher than in Zone 3a—mostly in the high 80s and low- to mid-90s. ZONE 18. 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. The climate pleases plants that require a marked seasonal pattern to do well—flower bulbs, peonies, lilacs, and flowering cherries, for example. Sunset ZONE 4: Cold-winter areas of the north coast and mild-winter areas of Alaska and British Columbia. 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. The USDA zone map divides the country into 26 or so different zones, while the Sunset system has over 40. Most of it lies in the warmest parts of eastern Washington’s Columbia Basin, with bits in Lewiston, Idaho, and parts of the Southwest. 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. Many people are attracted to Central Oregon because of the large number of sunny days we experience here. Hardy to USDA Zone 7 Native to the Pacific Coast and coastal valleys from Washington to southern California. 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. Saved by Panda Love. (See the Sunset Climate Zones website for climate maps and more details. Summer temperatures are a bit higher than in Zone 3a—mostly in the high 80s and low- to mid-90s. If you’re growing vegetables, for example, add at least 50 percent to the days-to-harvest figure listed on the seed package, or start your garden from transplants. 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. ZONE 3B: Mildest areas of intermountain climates. 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. SUNSET is a registered trademark 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. And while these occasional disasters clear the slate of most borderline plants, they should not serve as a general gauge of plant hardiness here. Withstands neglect (Sunset)." Calculations of sunrise and sunset in Eugene – Oregon – USA for January 2021. Woody Plants of Oregon; Woody Plant Search. ZONE 1B: Coldest Eastern Rockies and plains climate of Colorado, Wyoming, Montana, and Southern Alberta. Get fresh recipes, wine pairings, weekend getaway ideas, regional gardening tips, home design inspiration, and more. The climate in this zone features mild,wet, almost frostless winters and cool summers with frequent fog or wind. 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. However, it’s one of the smallest zones. ZONE 5: Marine influence along the Northwest coast, Puget Sound, and South Vancouver Island. 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). These zone descriptions will guide you in choosing the right plants for your garden. ZONE 3A: Mild areas of mountain and intermountain climates. ZONE 6: The Willamette and Columbia River Valleys. 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). Use of this site constitutes acceptance of our. It gets considerable influence from the Pacific Ocean, but also from the continental air mass, higher elevation, or both. Established plant material in t… In the contiguous states, Zone 4 has more cold than neighboring Zone 5,more snow, and a shorter growing season. 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. Calculations of sunrise and sunset in Portland – Oregon – USA for May 2021. Corp., Menlo Park, Calif.), the western U.S. is divided into a large number of Climate Zones. Mild ocean air moderates Zone 5, allowing it to produce some of the finest rhododendrons, Japanese maples, and rock garden plants anywhere. 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. 15°F to 20°F. Gardeners in a few spots around the San Francisco Bay will be surprised to find their gardens mapped in Zone 7. Hardy to USDA Zone 3 Widely distributed across North America Sometimes the species is separated into two varieties: Symphoricarpos albus var. Sunset ZONE 2B: Warmer-summer intermountain climate. 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. The climate is humid from spring through early fall; summer rains are usually dependable. 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. 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 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). 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). Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Sunset ZONE 5: Marine influence along the Northwest coast, Puget Sound, and South Vancouver Island. 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. 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 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. 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. 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 years when snow comes late or leaves early, protect plants with a 5- or 6-inch layer of organic mulch. The lowest temperatures on record range from 30 to 20°F (–1 to –7°C). Gardeners can plant warm-season vegetables as long as they are short-season varieties. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. Warmer summers and cooler winters distinguish Zone 6 from coastal Zone 5. A lake for everyone, confessions of a pool crasher, and the BBQ king of California. It gets considerable influence from the Pacific Ocean, but also from the continental air mass, higher elevation, or both. 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. Another snowy winter climate, Zone 2A covers several regions that are considered mild compared with surrounding climates. 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). Though the growing season averages between 200 and 250 days, heat accumulation is low, and warm-season vegetables develop slowly. The higher elevations are especially susceptible to frost and can experience frost during the summer months. The average highest temperature in Zone 17 is only 97°F (36°C). 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. Sunset climate zones: Western Oregon. 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. 10°F to 15°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. Calculations of sunrise and sunset in Portland – Oregon – USA for January 2021. Steady breezes and lower temperatures, especially along the coast,make windbreaks and warm microclimates critical for heat-loving plants. Deciduous fruit trees do well also; the region is noted for its pears, apples, peaches, and cherries. Closer to the poles, the number of daylight hours increases in summer and decreases in winter. 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. 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. Using climate zone information. These Climate Zones do NOT correspond to the USDA Hardiness Zones. Sunset climate zones are based more on local microclimates and quirks of our western landscape. Calculations of sunrise and sunset in Coos Bay – Oregon – USA for December 2021. albus , a relatively low growing shrub (to 1 m) found in eastern North America, and Symphoricarpos albus var. In a 20-year period, the lowest winter temperatures in Zone 17 ranged from 36 to 23°F (2 to –5°C). Zone 9b. 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. Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. One of the West’s most narrow, linear climates, Zone 4 runs from high in the coastal mountains of Northern California to southeastern Alaska, losing elevation as it moves north. Ten-year extremes average 0 to 10°F (–18 to –12°C). These areas are too high and cold in winter to be included in milder Zones 15 and 16. 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. The growing season is 100 to 150 days. To further assure success, grow vegetables from seedlings you start yourself or buy from a nursery or garden center. The Sunset zones, popularized and researched by Sunset Magazine, are derived from climate zones developed by the University of California Cooperative Extension. 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. Gardeners here count on 180 to 210 frost-free days with plenty of heat. Most of it lies in the warmest parts of eastern Washington’s Columbia Basin,with bits in Lewiston, Idaho, and parts of the Southwest. Gray pines define the heart of Zone 7 around the Central Valley, but more adaptable incense cedars replace them farther north and south. Calculations of sunrise and sunset in Portland – Oregon – USA for August 2021. One of the West’s most narrow, linear climates, Zone 4 runs from high in the coastal mountains of Northern California to southeastern Alaska, losing elevation as it moves north. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. 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. 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. Such mild temperatures favor leaf vegetables, which are slow to bolt, and flowering ornamentals like begonias. Generally, the farther an area is from the equator, the longer and colder are its winters. A number of cultivars, including: 'Compacta' - supposedly a form that is more compact than the species type, listed as growing 4-8 ft (1.2-2.4 m) high with an equal spread. 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 8a. ), Sunset ZONE 1A: Coldest mountain and intermountain areas of the contiguous states. ZONE 1A: Coldest mountain and intermountain areas of the contiguous states. Warmer summers and cooler winters distinguish Zone 6 from coastal Zone 5. Some heat-loving plants (citrus, hibiscus, gardenia) don’t get enough heat to fruit or flower reliably. Woody Broadleaf Search; Conifer Search; Additional Information. Sunset climate zones: Eastern Washington, Eastern Oregon, and Idaho These zone descriptions will guide you in choosing the right plants for your garden Sunset – December 5, 2009 That’s why you’ll find orchards in this zone in almost every state in the West. These zone descriptions will guide you in choosing the right plants for your garden. 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