Last frost date spokane wa - A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

 
 A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants. . Julia's bakery

Ever have trouble resisting a milkshake when passing by a favorite fast food jointA national study of the association between food environments and county-level health outcomes. Ah...What is the function of the fan in a refrigerator? Can a refrigerator keep cool without a fan? Advertisement Many older refrigerators and most small refrigerators (like small bar a...If you've just run out of piping bags and have cupcakes to frost you can cut a small hole in the corner of a freezer bag, run your piping tip through the hole, and fill the bag wit...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants.Some low-sodium breakfast cereal options include Quaker’s Puffed Rice and Kellogg’s Frosted Mini-Wheats, Toasted Brown Sugar Squares and Raisin Squares, according to CNN. Other opt...... frost alerts go into effect until Monday · Liberty ... date and potentially vulnerable to security risks. We ... Spokane, WA | Terms of Use | Privacy Policy.Some low-sodium breakfast cereal options include Quaker’s Puffed Rice and Kellogg’s Frosted Mini-Wheats, Toasted Brown Sugar Squares and Raisin Squares, according to CNN. Other opt...Depending on the type of clover, it takes roughly 7 to 15 days to grow clover from seed indoors and then transplant them to your garden. And then another 10 to 12 weeks to bloom! For a specific date that you should start clover seeds indoors you should: Find the last average frost date HERE. And then subtract 7 days from it. April Fool’s Day - Monday, April 1, 2024 Good Friday - Friday, March 29, 2024 Mother’s Day - Sunday, May 12, 2024 Last Assumed Frost Date in Spokane Area - Wednesday, May 15, 2024 Memorial Day - Monday, May 27, 2024 Father’s Day - Sunday, June 16, 2024 ----- ... frost alerts go into effect until Monday · Liberty ... date and potentially vulnerable to security risks. We ... Spokane, WA | Terms of Use | Privacy Policy.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Apr 4, 2024 · Spokane, Washington Est. May 19, 1883. Current Temperature 41°F. Current Conditions ... The NOAA Climate Center has issued a new interactive spring last frost date map for the U.S. You can zoom ... In Spokane, Oct. 7 is the average date of the first frost or sub-32-degree day. In Pullman, it's Oct. 1. Lewiston, Idaho holds off a little longer at Oct. 21 as the average first frost of the year. An Interactive Map of Average Last Frost Dates in Washington and a list of locations in Washington with Average Last Frost Dates ... Spokane Valley: May 11 - May 20 ... A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Spokane, Washington Est. May 19, 1883. Current Temperature 41°F. Current Conditions ... The NOAA Climate Center has issued a new interactive spring last frost date map for the U.S. You can zoom ...A light frost is when temperatures are between 29°–32°F. During a light frost, tender plants may be killed, with little destructive effect on hardier vegetation. The probability of a frost occurring after the spring date or before the fall frost date listed below is 30%, which means that a frost could occur before or after the dates listed.The average date of last frost is April 15 in Spokane. You should expect an average low temperature of -5°F in the coldest months of winter. Since the USDA zone info for Spokane is not always accurate the actual date of last frost can change quite a bit from year to year.Spokane, Washington Est. May 19, 1883. Current Temperature 49°F. Current Conditions ... Enter our last frost date of May 15 to set the dates. In general, plants like onions, leeks, eggplant and ... An Interactive Map of Average Last Frost Dates in Washington and a list of locations in Washington with Average Last Frost Dates ... Spokane Valley: May 11 - May 20 ... A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A Myanmar judge sentenced two reporters who were reporting on the Rohingya crisis to seven years in prison. A Myanmar judge sentenced two Reuters journalists to seven years in pris...Frost Dates for Spokane, WA. See 2024 Frost Dates for Your Location. Use our 2024 Frost Dates Calculator to find the average dates of the last light freeze of spring and the first light freeze of fall for locations across the U.S. and Canada.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Planting Guides for Washington. This is your list of cities in Washington. Washington has a range of climates spanning from as cold as Zone 6a to as warm as Zone 9a. If the city you are looking for is not in this list you can view the zone map for Washington to get a good idea of the zones in your area, and then click on one of the zone links ... First Fall Frost Growing Season; SPOKANE WFO, WA: 2391' May 17: Sep 19: 124 days: Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. What are 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first light freeze in fall.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Last Frost Date. On average the last frost when the weather gets warmer is on April 15 in Spokane. It might get as low as -5°F during the coldest months of winter. Since the USDA zone info for Spokane may not be accurate from year to year the actual date of last frost will vary from year to year.April Fool’s Day - Monday, April 1, 2024 Good Friday - Friday, March 29, 2024 Mother’s Day - Sunday, May 12, 2024 Last Assumed Frost Date in Spokane Area - Wednesday, May 15, 2024 Memorial Day - Monday, May 27, 2024 Father’s Day - Sunday, June 16, 2024 -----As your growing season comes to an end, the nightly temperatures for Chattaroy, Washington start to go down, and therefore every day that goes by increases the chance that you'll get frost. Your risk of frost really begins around August 31, and by September 25 you're almost certain to have received at least one frost event.Ever have trouble resisting a milkshake when passing by a favorite fast food jointA national study of the association between food environments and county-level health outcomes. Ah... Our frost date calculator will tell you precisely when your garden in Spokane, WA is at risk for frost. Frost Dates: First and last frost dates for Spokane, WA How to read these charts for the spring Best Fireplace Services in Spokane, WA - Frost Fire Service, Accent Fireplace + Spas, Fireplace Repair , Mr Chimney, Falco's, Adam & Sam Brothers, A-1 Rooftop Chimney Sweep, Fireplace Center, Wing Stoves and More, Home Environments Stoves and SpasA frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Aug 22. Aug 26. Aug 30. Sep 3. Sep 7. Sep 10. Sep 15. Sep 21. Now that you know your frost dates, use our Garden Planting Calendar for Chattaroy, Washington to know when to sow and transplant your various vegetable plants!You have a small 20% chance of getting 32° by September 5. There is a 50% chance of being hit by a 32° frost starting around September 15. You have a 80% chance of seeing 32° by September 25. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.May 26, 2022 · Sep 17. Sep 20. Sep 22. Sep 24. Sep 26. Sep 29. Oct 2. Oct 5. Now that you know your frost dates, use our Garden Planting Calendar for Spokane, WA to know when to sow and transplant your various vegetable plants! A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Average First Frost Date: October 1 - 10: Average Last Frost Date: May 1 - 10: Koppen-Geiger Climate Zone: Dsb - Humid Continental Climate - Dry Cool Summer: Ecoregion: 15s - Spokane Valley Outwash Plains: Current Drought Status: Exceptional Drought: Heat Zone Days: 1 - 7 days Over 86°FOur frost date calculator will tell you precisely when your garden in Spokane, WA is at risk for frost. Frost Dates: First and last frost dates for Spokane, WA How to read these …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.SPOKANE AP. 36° May07. May23. Jun09. 32° Apr17. May02. May18. 28° … A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. First Fall Frost Growing Season; SPOKANE 17 SSW, WA: 2267' Jun 13: Aug 30: 77 days: Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. What are 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first light freeze in fall.Our frost date calculator will tell you precisely when your garden is at risk for frost. Enter your zipcode and we'll give you all the info we have.Frost Dates: First and last frost dates for Pasco, Washington - Garden.org. How to read these charts for the spring. As the growing season approaches, the days get …Zone 6b: -5°F to 0°F. 1990 Hardiness Zone: Zone 1b: -15F to -10F. Average First Frost Date: October 1 - 10. Average Last Frost Date: April 21 - 30. Koppen-Geiger Climate …The last frost date in Seattle can be as early as. March 22, but to be on the safe side, April 15-20 would be more. definitive. This information (now archived) can also be found on the web site of local. gardening expert, Ed Hume. Last Frost Date. On average the last frost when the weather gets warmer is on April 15 in Spokane. It might get as low as -5°F during the coldest months of winter. Since the USDA zone info for Spokane is an average the actual date of last frost will vary from year to year. In Spokane, Oct. 7 is the average date of the first frost or sub-32-degree day. In Pullman, it's Oct. 1. Lewiston, Idaho holds off a little longer at Oct. 21 as the average first frost of the year.Construction. Start Date: March 29, 2024. End Date ... Past the Highway 291 Take-out, at the confluence of Spokane ... WA and its representatives. All rights ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Apr 22, 2019 · The Northwest Weather Service in Spokane says in the next couple of weeks the frost and freeze season will be over for most of the area. In Spokane, the last frost day is usually around the first ... Aug 22. Aug 26. Aug 30. Sep 3. Sep 7. Sep 10. Sep 15. Sep 21. Now that you know your frost dates, use our Garden Planting Calendar for Chattaroy, Washington to know when to sow and transplant your various vegetable plants!Average First Frost Date: Oct. 1 - Oct. 10: Average Last Frost Date: May 11 - May 20: Average Days With Frost: 125-150 Days: Plant Hardiness Zone - 2023: Zone 7a : 0°F to 5°F: Plant Hardiness Zone - 2012: Zone 6b : -5°F to 0°F: Current Drought Conditions: Normal: Köppen Climate Classification: Dsb - Humid Continental Climate - Dry Cool …If you've just run out of piping bags and have cupcakes to frost you can cut a small hole in the corner of a freezer bag, run your piping tip through the hole, and fill the bag wit...Sep 20. Sep 22. Sep 24. Sep 26. Sep 29. Oct 2. Oct 5. Now that you know your frost dates, use our Garden Planting Calendar for Spokane International Airport, WA to know when to sow and transplant your various vegetable plants!A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.What is the function of the fan in a refrigerator? Can a refrigerator keep cool without a fan? Advertisement Many older refrigerators and most small refrigerators (like small bar a... A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants. Get ratings and reviews for the top 11 roofers in Seattle, WA. Helping you find the best roofers for the job. Expert Advice On Improving Your Home All Projects Featured Content Med...Looking for a financial advisor in Bellevue? We round up the top firms in the city, along with their fees, services, investment strategies and more. This review was produced by Sma...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.For your reference, I have created this table for average frost dates for most major cities in Washington. If your city is not listed below you can find its Last & First Frost Dates HERE. Bloom Time Depends on the weather! In general, snowdrop will bloom: 2 years after starting snowdrop from seed;Last update: 29 Apr 07:35 AM PDT ... then a chance of showers between 9pm and midnight. Widespread frost between 3am and 4am. Snow level 3100 feet lowering to 1800 feet after midnight . Otherwise, partly cloudy, with a low around 32. ... Spokane WA 47.66°N 117.43°W (Elev. 1844 ft) Last Update: 4:40 am PDT Apr 29, 2024.First Fall Frost Growing Season; SPOKANE FELTS FLD, WA: 1952' May 1: Oct 7: 158 days: Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. What are 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first light freeze in fall.In Spokane the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F . It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Spokane and it can change quite a bit from year to year.First Fall Frost. Growing Season. SPOKANE WFO, WA. 2391'. May 17. Sep 19. 124 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Last Frost Date. In Spokane the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter. Since the USDA zone info for Spokane is an average the actual date of last frost changes from year to year.First and Last Frost Dates. Frost: When temperatures are less than or equal to 36°F ... First Frost Date (Average) Last Frost Date (Average) First Freeze Date (Average) Last Freeze Date (Average) Spokane: Sep-30: May-10: Oct-12: Apr-28: Pullman: Sep-06: May-27: Sep-27: May-06: Omak: Sep-21: May-22: Oct ... WA 98121. Hours …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Apr 18, 2024 ... ... frost alerts go into effect until Monday ... date and potentially vulnerable to security risks. We ... Spokane, WA | Terms of Use | Privacy Policy. The average date of last frost is April 15 in Spokane. In the coldest months of winter you should expect an average low temperature of -5°F . Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Spokane and it will vary from year to year. May 4 is the normal date of the last frost and freeze in Spokane and you could get a head start on planting your gardens. Skip Navigation. Share on Facebook; ... Spokane, WA » 49° Spokane, WA » ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.This morning, more or less on schedule, my garden was visited by the first frost of the season. It left everything glittering and gave the last of the summer annuals their “Uh, oh”...Average First Frost Date: September 21 - 30: Average Last Frost Date: May 11 - 20: Koppen-Geiger Climate Zone: Dsb - Humid Continental Climate - Dry Cool Summer: Ecoregion: 15s - Spokane Valley Outwash Plains: Current Drought Status: Exceptional Drought: Heat Zone Days: 15 - 30 days Over 86°FAs your growing season comes to an end, the nightly temperatures for Chattaroy, Washington start to go down, and therefore every day that goes by increases the chance that you'll get frost. Your risk of frost really begins around August 31, and by September 25 you're almost certain to have received at least one frost event.Our frost date calculator will tell you precisely when your garden in Spokane, Washington is at risk for frost.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Last Date to Plant: You may plant any time from the "start seeds" dates until this "last date." Don't wait any longer, or the crop won't have time to get to harvest before …

Climate & Weather Averages in Spokane Valley, Washington, USA. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 48 °F. Passing clouds. (Weather station: Felts Field, USA). See more current weather.. Free lyft ride codes 2023

last frost date spokane wa

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Planting Guides for Sequim. According to the USDA Sequim is in USDA Zone 8b. Here is some general info for USDA Zone 8b to help you get started. Average Date of Last Frost (spring) March 15. Average Date of First Frost (fall) November 15. Lowest Expected Low. 15°F. Frost Dates for Spokane, WA. See 2024 Frost Dates for Your Location. Use our 2024 Frost Dates Calculator to find the average dates of the last light freeze of spring and the first light freeze of fall for locations across the U.S. and Canada.Dec 6, 2023 · Main navigation. Weather Weather sub-navigation. Extended Forecast; 5-Day Forecast; Winter Forecast 2023; Christmas Forecast; Frost Dates; Weather History; Gardening Gardening sub-navigation You have a 80% chance of seeing 32° by November 13. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. Now that you know …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Frost Dates for Spokane, WA. ... Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. What are 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Hardiness Zones for ZIP Code 99208 - Spokane, Washington as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. ... Additional Gardening Related Climate Data for ZIP Code 99208 - Spokane, Washington . 2023 Hardiness Zone ... Annual Climate Data for ZIP Code 99208 - Spokane, WA Jan Feb Mar Apr May Jun Jul Aug Sep Oct …Green thumb locals are getting gardens ready. That means lots of "freeze" and "frost" questions this time of year. Here's a handy chart showing select locations and their average last freeze date ...Oct 28. Nov 2. Nov 6. Nov 10. Nov 14. Nov 18. Nov 23. Nov 30. Now that you know your frost dates, use our Garden Planting Calendar for Hansville, Washington to know when to sow and transplant your various vegetable plants!Looking for a financial advisor in Bellevue? We round up the top firms in the city, along with their fees, services, investment strategies and more. This review was produced by Sma...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner App; Planting Dates Chart; Plant Growing Guides; Robin's Garden Blog; Pests & Diseases; … Last Frost Date. In Spokane the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter. Since the USDA zone info for Spokane is an average the actual date of last frost changes from year to year. A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. .

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