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.

What climate zone is Portland OR?

What zone is Portland in? Portland falls into USDA hardiness zone 8b (with average low temperatures from 15 to 20 degrees Fahrenheit) or 9a (with average lows from 20 to 25 degrees Fahrenheit) for parts of inner Portland.

What climate zone is Southern Oregon?

1990 Hardiness Zone:Zone 8a: 10F to 15FAverage First Frost:October 1 – 10Average Last Frost:May 11 – 20Koppen-Geiger Climate Zone:Csa – Hot-Summer Mediterranean ClimateEcoregion:78a – Rogue/Illinois Valleys

How do you determine your climate zone?

Climate zones are determined by the coldest average winter temperature the geographical area typically experiences. You can see the coldest temps and their zones here, further divided into A (colder half of the zone) and B (warmer half of the zone).

What climate zone is the Pacific Northwest?

According to this map of the Pacific Northwest, the region lies in USDA Plant Hardiness Zones 7 through 9 and in AHS Heat Zones 1 through 6. Stretching over a long expanse of territory, the Pacific Northwest climate is influenced by the Pacific Ocean and the Cascade Mountains.

What zone is Oregon City Oregon?

Oregon City, Oregon is in USDA Hardiness Zones 8b.

What zone is Central Oregon?

According to the USDA Hardiness Zone map, Central Oregon is placed in Zone 6 (–10 degrees Fahrenheit to 0 degrees Fahrenheit).

What climate zone is California located in?

California is the mecca of year-round gardening. Much of the state has a moderate, Mediterranean climate with dry and warm summers and wet winters.

Where is zone 9 in the US?

In the United States, most of the warmer zones (zones 9, 10, and 11) are located in the deep southern half of the country and on the southern coastal margins. Higher zones can be found in Hawaii (up to 12) and Puerto Rico (up to 13).

What is Hardiness Zone 10?

Zone 10: 30 to 40°F Zone 10 sees some of the hottest temperatures in the U.S., prevalent in tropical places such as Southern California and Southern Florida. Plants in this zone can handle temperatures as low as 30 to 40°F.

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What zone is Eastern Oregon?

Eastern Washington, Eastern Oregon, and Idaho belong to Climate Zones 1 through 3.

Where is hardiness zone 8b?

USDA Zone 8 covers most of the Pacific Northwest and a great swath of the American South, including Texas and Florida. Read on to learn about plants that grow well in Zone 8.

What zone is Eugene Oregon?

Eugene, Oregon is in USDA Hardiness Zones 8b.

What climate zone is Eastern Washington?

Washington growing zones are wide-ranging and can be anywhere from 4a to 9a, although much of the state falls into the 6a (on the eastern half of the state) to 9a (on the western half) range.

What is planting zone 4?

If you are in USDA zone 4, you’re probably somewhere in the interior of Alaska. This means that your area gets long, warm days during the summer with high temps in the 70’s and lots of snow and average cold temps of -10 to -20 F.

What is Seattle hardiness zone?

The Seattle zone was just changed from 8 to 8b. Zone 8 plants are hardy down to 10 degrees F. Zone 8b plants are hardy down to 15 to 20 degrees.

What zone is Oregon for gardening?

The Oregon growing zones range from 4b to 9b. Growing zones are also referred to as planting zones. They were developed to help gardeners figure out which plants, flowers or vegetables will do best in a specific region. Zones help you know what plants are most likely able to withstand winter conditions.

What climate zone is Beaverton Oregon?

Beaverton, Oregon is in USDA Hardiness Zones 8b.

What growing zone is The Dalles Oregon?

The Dalles, Oregon is in USDA Hardiness Zones 7b and 8a.

What zone is Albany Oregon?

Albany, Oregon is in USDA Hardiness Zones 8b.

What climate zone is Hillsboro Oregon?

Hillsboro, Oregon is in USDA Hardiness Zones 8b.

What is the difference between zone 8a and 8b?

US States in Hardiness Zone 8 Zone 8 contains two subsets: Zone 8a (with the lowest average temperatures between 10 and 15 degrees Fahrenheit) and Zone 8b (with minimum temperatures between 15 and 20 degrees Fahrenheit).

Where is Zone 7 in the US?

USDA zone 7 contains southern Oklahoma, a chunk of northern Texas, southern New Mexico, central Arizona, southern Utah and southern and western areas of Nevada. The zone extends into eastern California and west-central Oregon/Washington.

What is hardiness zone 5a?

Hardiness zones are the USDA’s general guidelines of the temperatures a plant can survive. Zone 5 plants can survive winter temperatures no lower than -20 degrees F. … It would probably not survive the cold winter temperatures in zone 4 or lower.

What is Hardiness Zone 9a?

That means the temperature ranges for Zone 9 are: Zone 9: The minimum average temperature range is 20°F to 30°F. Zone 9a: The minimum average temperature range is 20°F to 25° F. Zone 9b: The minimum average temperature range is 25°F to 30°F.

What climate zone is Sacramento?

Sacramento, California is located in USDA Hardiness Zone 9.

What climate zone is United States?

West of 100°W, much of the U.S. has a cold semi-arid climate in the interior upper western states (Idaho to the Dakotas), to warm to hot desert and semi-arid climates in the southwestern U.S. East of 100°W, the climate is humid continental in northern areas (locations roughly above 40°N, Northern Plains, Midwest, Great …

What climate zone is Zone 1?

The northern coastal region is situated west of the Northern Coastal Range and has a moist, cool climate influenced greatly by the conditions of the Pacific Ocean. The cool, wet winters, and cool summers with frequent fog and strong winds make it a climate that requires a lot of heat for comfort.

What does Zone 11 mean?

Climate Zone 11 is the northern California valley, south of the mountainous Shasta Region, east of the Coastal Range, and west of the Sierra Cascades. Seasons are sharply defined. Summer daytime temperatures are high, sunshine is almost constant, and the air dry.

What are zones 9 through 11?

Zones 9 to 11 in the United States encompass such areas as Texas, California, Louisiana, Florida, and other southern areas of the states. Their characteristics regarding water vary, however, which is also a consideration when choosing plants.

What planting zone is 10a?

Spinach, beets, carrots, cabbage, and almost all leafy greens will thrive in the cool, but not freezing temperatures of Zone 10. Carrots, winter greens, and purple sprouting broccoli — all cool-season crops perfect for fall planting.