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.

Main navigation. Weather Weather sub-navigation. Extended Forecast; 5-Day Forecast; Spring Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner AppA 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. 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.

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?On average, your last spring frost occurs on June 13 (at SPOKANE 17 SSW, WA climate station, elevation 2267 feet). Crop Based on Frost Dates Based on Moon Dates; Start Seeds Indoors Plant Seedlings or Transplants Start Seeds Outdoors Last Date to Plant; Arugula: Apr 18-May 2 Apr 18-23: May 23-Jun 6 May 23: May 16-23 May 16-23: Aug 2: Asparagus ...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.Looking for a financial advisor in Vancouver, Washington? We round up the top firms in the city, along with their fees, services, investment strategies and more... Calculators Help...

Aug 25, 2022 ... Spokane Washington has a 203-day gap between last frost and first frost. Use these dates to plan when to plant your yard. Watch your local ... 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 ----- 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 -----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.Designed to assist gardeners of all skill levels, this guide is your tool for cultivating a bountiful and thriving garden in Washington’s distinct environmental landscape. First and Last Frost Dates. Frost: When temperatures are less than or equal to 36°F (2°C) but above 32°F (0°C) Freeze: Below 32°F (0°C) but above 29°F (-1.7°C)

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On average, your last spring frost occurs on June 13 (at SPOKANE 17 SSW, WA climate station, elevation 2267 feet). Crop Based on Frost Dates Based on Moon Dates; Start Seeds Indoors Plant Seedlings or Transplants Start Seeds Outdoors Last Date to Plant; Arugula: Apr 18-May 2 Apr 18-23: May 23-Jun 6 May 23: May 16-23 May 16-23: Aug 2: Asparagus ...Someone who wants to take care of a pygmy date palm tree should avoid watering it too much, not over prune it and use fertilizers that develop the right soil environment. In additi...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.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.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.

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. 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 . Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it is different every year. 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 . Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it is different every 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.Washington’s average annual temperatures range from the Pacific Coast’s 51 degrees to the northeast’s 40 degrees. ... including Washington planting zones, are based on first and last frost dates. Always choose plants rated for the Washington planting zone you are in or lower. For example, if you live in zone 4a, choose plants rated for ...Jan 12, 2024. SPOKANE, Wash. - A second suspect was arrested in connection to a drive-by shooting in Spokane last May. According to the Spokane Police Department (SPD), officers with the Spokane ...Main navigation. Weather Weather sub-navigation. Extended Forecast; 5-Day Forecast; Spring Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner AppFirst 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.Last 16° Mar 11: Mar 2: Feb 23: Feb 18: Feb 13: Feb 7: Feb 2: Jan 26: Jan 17: Last 20° Mar 23: Mar 14: Mar 8: Mar 2: Feb 25: Feb 20: Feb 14: Feb 7: Jan 29: Last 24° Apr 17: Apr 9: Apr 3: Mar 29: Mar 25: Mar 20: Mar 15: Mar 9: Mar 1: Last 28° May 6: Apr 30: Apr 25: Apr 21: Apr 18: Apr 14: Apr 11: Apr 6: Mar 31: Last 32° May 18: May 12: May ...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.

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. 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.Since the USDA zone info for Spokane is just an average the actual date of last frost changes from year to year. Half of the time in Spokane it frosts late in the year after April 15 so just be sure to be ready to protect your snow-in summer in the event of a surprise late frost. USDA Zone Info for Spokane. Here is the info for USDA Zone 6b. 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 report shows the past weather for Spokane, providing a weather history for 2023. It features all historical weather data series we have available, including the Spokane temperature history for 2023. You can drill down from year to month and even day level reports by clicking on the graphs. 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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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.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.Since the USDA zone info for Spokane is not always accurate the actual date of last frost is different every year. Since half of the time in Spokane there is a last frost after April 15 be ready to cover your lantana in the event of a surprise late frost. USDA Zone Info for Spokane. Here is the info for USDA Zone 6b.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.Last Frost Date. The average date of last frost is April 15 in Spokane. You can expect an average low temperature of -5°F in the coldest months of winter. Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it can change quite a bit from year to year.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 …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.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.Last 16° Mar 11: Mar 2: Feb 23: Feb 18: Feb 13: Feb 7: Feb 2: Jan 26: Jan 17: Last 20° Mar 23: Mar 14: Mar 8: Mar 2: Feb 25: Feb 20: Feb 14: Feb 7: Jan 29: Last 24° Apr 17: Apr 9: Apr 3: Mar 29: Mar 25: Mar 20: Mar 15: Mar 9: Mar 1: Last 28° May 6: Apr 30: Apr 25: Apr 21: Apr 18: Apr 14: Apr 11: Apr 6: Mar 31: Last 32° May 18: May 12: May ... ….

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 average date of last frost is April 15 in Spokane. You can expect an average low temperature of -5°F in the coldest months of winter. Since the USDA zone info for Spokane is just an average the actual date of last frost will vary from year to year.Additional Gardening Related Climate Data for ZIP Code 98226 - Bellingham, Washington. 2023 Hardiness Zone: Zone 8b: 15°F to 20°F. Zone 8a: 10°F to 15°F. 2012 Hardiness Zone: Zone 8b: 15°F to 20°F. Zone 8a: 10°F to 15°F. Zone 7b: 5°F to 10°F. 1990 Hardiness Zone:Today is Customer Appreciation Day! Save 10% on all regular price merchandise. In-store purchases only.Feb 22, 2024 · Discover the predicted last spring frost dates for various towns across Washington state and plan ahead for the upcoming growing season. Check out the Old Farmers Almanac online for detailed information on the length of the growing season in your region. 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 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...On average, your last spring frost occurs on May 1 (at SPOKANE FELTS FLD, WA climate station, elevation 1952 feet). Crop Based on Frost Dates Based on Moon Dates; Start Seeds Indoors Plant Seedlings or Transplants Start Seeds Outdoors Last Date to Plant; Arugula: Mar 5-20: Apr 10-24 Apr 10-23: Apr 3-10 Apr 8-10: Sep 9: Asparagus: N/A: N/A: … Last frost date spokane wa, 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 …, 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 all chance of frost has passed 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 not always accurate the actual date of last frost is different every year. , Leaflet | ©Zipdatamaps ©OpenStreetMap Contributors. Share: Last Frost Dates were calculated using daily climate data from the period between 1991-2020. List of Average …, Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner App; Planting Dates Chart; Plant Growing Guides; Robin's Garden Blog; Pests & Diseases; …, Climate Data for Spokane Valley Washington. Average First Frost Date: Oct. 11 - Oct. 20: Average Last Frost Date: May 11 - May 20: Average Days With Frost: 125-150 Days: Plant Hardiness Zone - 2023: Zone 7a : -17.8°C to -15°C: Plant Hardiness Zone - 2012: Zone 6b : -20.6°C to -17.8°C:, 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., Whidbey Island is north of Seattle, across Puget Sound. It's full of breathtaking vistas, small towns, & a quirky, fun, delightful rural landscape. Last Updated on April 23, 2023 P..., The average date of last frost is April 15 in Spokane . You can expect an average low temperature of -5°F in the coldest months of winter. Since the USDA zone info for …, You have a small 20% chance of getting 32° by October 11. There is a 50% chance of being hit by a 32° frost starting around October 21. You have a 80% chance of seeing 32° by November 1. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the 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., 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”..., The Last Frost Date: The next wave of planting comes after our last frost date. In the Spokane, Washington area, our “official last frost date” is May 15th. It is an unusual year …, Last Frost Date. The average date of last frost is April 15 in Spokane. You can expect an average low temperature of -5°F in the coldest months of winter. Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it can change quite a bit from year to year., 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., The average last frost date is a crucial piece of information for gardeners, farmers, and anyone involved in outdoor activities. It helps determine the optimal time to start planti..., , 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 report shows the past weather for Spokane, providing a weather history for 2023. It features all historical weather data series we have available, including the Spokane temperature history for 2023. You can drill down from year to month and even day level reports by clicking on the graphs., Good Friday - Friday, April 7, 2023. Mother’s Day - Sunday, May 14, 2023. Last Assumed Frost Date in Spokane Area - Monday, May 15, 2023. Memorial Day - Monday, May 29, 2023. Father's Day - Sunday, June 18, 2023. Cole Crops: Broccoli, Brussel Sprouts, Cabbage, Lettuce, and Onions - Plant the first week of April all through the month., See all nearby weather stations. This report shows the past weather for Spokane, providing a weather history for 2022. It features all historical weather data series we have available, including the Spokane temperature history for 2022. You can drill down from year to month and even day level reports by clicking on the graphs., 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., The average date of last frost is April 15 in Spokane . You can expect an average low temperature of -5°F in the coldest months of winter. Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it will vary from year to year., 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 , 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., The Last Frost Date: The next wave of planting comes after our last frost date. In the Spokane, Washington area, our “official last frost date” is May 15th. It is an unusual year when we receive frost as late as May 15th, but it can happen. However, since it is unusual many people will plant around May 5th and provide warmth., 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?, This popular Brazilian confection has a thing or two up its sleeve. Brazil is home to many wonderful things, not least of which is the brigadeiro. Constructed almost entirely of sw..., 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., 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 -----