Warmer summers and cooler winters distinguish Zone 6 from coastal Zone 5. These zone descriptions will guide you in choosing the right plants for your garden. 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. albus , a relatively low growing shrub (to 1 m) found in eastern North America, and Symphoricarpos albus var. 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. 10°F to 15°F. However, it’s one of the smallest zones. Though the growing season averages between 200 and 250 days, heat accumulation is low, and warm-season vegetables develop slowly. Upper Mississippi Valley, Upper Michigan, Southern Ontario and Quebec Growing season: late May to mid-Sept. Below are the Sunset Climate Zones used to cover Oregon, Washington, and Idaho. In the Sunset Western Garden Book (2015), Sunset Pub. Sunset ZONE 7: Oregon’s Rogue River Valley, and Southern California mountains. 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. 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. In the contiguous states, Zone 4 has more cold than neighboring Zone 5, more snow, and a shorter growing season. Sunset climate zones are based more on local microclimates and quirks of our western landscape. It’s also fine country for native woodland ferns, trilliums, piggyback plants, vine maples, and dogwoods. Sunset ZONE 2B: Warmer-summer intermountain climate. Woody Broadleaf Search; Conifer Search; Additional Information. Ten-year extremes average 0 to 10°F (–18 to –12°C). 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. Summer temperatures are a bit higher than in Zone 3a—mostly in the high 80s and low- to mid-90s. Hardy to USDA Zone 1 The most widely distributed tree in North America. This is the coldest zone in which sweet cherries and many apples grow. 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. Since trees are typically dieocious (i.e., male and female flowers on separate plants), a given clone may be either male or female. Calculations of sunrise and sunset in Medford Watershed – Oregon – USA for January 2021. 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). 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. All Rights Reserved. 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). Like Zones 1 to 3, Zone 11 has cold winters, and like Zone 13, it has hot summers. 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. 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 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. 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). 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 3B: Mildest areas of intermountain climates. These zone descriptions will guide you in choosing the right plants for your garden. For a detailed Western Oregon zone map, click the link under image at left. In a 20-year period, the lowest winter temperatures in Zone 17 ranged from 36 to 23°F (2 to –5°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. The higher elevations are especially susceptible to frost and can experience frost during the summer months. In all the other adjacent climate zones, average highest temperatures are in the 104 to 116°F (40 to 47°C) range. Zone 6 includes the Willamette Valley in Oregon, the Columbia River Valley between Vancouver and Longview, and the Cowlitz drainage from Longview to Toledo. 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. SUNSET is a registered trademark 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 43. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account. 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. Gray pines define the heart of Zone 7 around the Central Valley, but more adaptable incense cedars replace them farther nort… 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. The growing season is 50 to 100 days. 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. Hot summers and mild but pronounced winters give Zone 7 sharply defined seasons without severe winter cold or enervating humidity. 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