Colorado last frost date 2023

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.

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. On average, your last spring frost occurs on May 7 (at NORTHGLENN, CO climate station, elevation 5406 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 12-26 Mar 12-25: Apr 16-30 Apr 16-23: Apr 9-16 Apr 9-16: Sep 6: Asparagus: N/A: N/A ...Probability of later date in spring (thru Jul 31) than indicated. Probability of earlier date in fall (beginning Aug 1) than indicated. Probability of longer than indicated freeze free period. Probability of Freeze/Frost in the yearly period (percent of days with temperatures at or below the threshold temperature).Hardiness Zones for ZIP Code 80631 - Greeley, Colorado as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. Plantmaps.com. About; Data and Maps. ... ZIP Code 80631 - Greeley Colorado is in 2023 USDA Hardiness Zones 5a (-20°F to -15°F) and 5b (-15°F to -10°F) Additional Gardening Related Climate Data for ZIP Code 80631 ...Hardiness Zones for ZIP Code 80221 - Denver, Colorado as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. Plantmaps.com. About; Data and Maps. ... Denver Colorado is in 2023 USDA Hardiness Zones 6a (-10°F to -5°F) Additional Gardening Related Climate Data for ZIP Code 80221 - Denver, Colorado .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 Dates were calculated using daily climate data from the period between 1991-2020. List of Average Last Frost Dates for Locations in Colorado LocationAug 19. Aug 24. Aug 29. Sep 2. Sep 6. Sep 10. Sep 15. Sep 22. Now that you know your frost dates, use our Garden Planting Calendar for Pagosa Springs, Colorado 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.1. Access the National Gardening Association Calculator. Input your zip code or city location in the calculator to get your first and last frost dates. Your last frost date is the approximate day when your area will stop experiencing temperatures below 32°F in the spring.FRANKLIN COLORADO TAX FREE INCOME FUND CLASS R6- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksWeather Weather sub-navigation. 5-Day Forecast; Long-Range Forecast; SUMMER Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner; Planting Dates Chart; Robin's Garden Blog 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 spring frost dates of USDA hardiness zones · Zone 2: May 15 to June 2 · Zone 3: May 5 to May 31 · Zone 4: May 1 to May 20 · Zone 5: April 10 to May...

The last frost dates in a small northeastern pocket of Nebraska are May 16 to 31. The first frost dates in northern Nebraska are September 1 to 30. The first frost dates in southern Nebraska are October 1 to 15. Last and First Frost Dates for Nevada. The last frost dates in Nevada range from January 1 to July 31, depending on where you live.The Colorado Avalanche have been a team on the rise for the past few years, and this season is no exception. After missing the playoffs for three consecutive seasons, the Avalanche...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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Hardiness Zones for ZIP Code 81527 - Whitewater, Colorado as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. Plantmaps.com. About; Data and Maps. ... ZIP Code 81527 - Whitewater Colorado is in 2023 USDA Hardiness Zones 6a (-10°F to -5°F), 6b (-5°F to 0°F), 7a (0°F to 5°F) and 5b ...Jun. 1 - Jun. 10. Zone 12. Jun. 11 - Jun. 20. Zone 13. Jun. 21 - Jun. 30. Plantmaps has derived zones indicating the Interactive map of average annual last frost dates for the province of British Columbia.Depending on the type of celery, it takes roughly 45-55 days to grow celery from seed indoors and then transplant them to your garden. For a specific date that you should start celery seeds indoors you should: Find the last average frost date HERE. And then subtract 55 days from it.Additional Gardening Related Climate Data for ZIP Code 80116 - Franktown, Colorado. 2023 Hardiness Zone: Zone 5b: -15°F to -10°F. 2012 Hardiness Zone: Zone 5a: -20°F to -15°F. Zone 5b: -15°F to -10°F. 1990 Hardiness Zone: Zone 4b: -25F to -20F. Average First Frost Date:The right time to start your seeds indoors varies significantly by crop and location, ranging anywhere from 2–16 weeks prior to transplanting. Use this calculator to ascertain when to start seeds indoors and then to transplant outside, based on the frost-free date in your area. Enter spring frost-free date (include year): mm/dd/yyyy. Date. Enter.Most planting and seed sowing instructions are based on the average last frost date, which is defined as "the last day in the spring that you might have a killing frost". When making your plant selections, it is wise to consult more experienced gardening friends and neighbors for advice regarding possible local micro-climates or unusual conditions.

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.7/25. 8/3. Walden. 6/11. 8/6. *Based on statistics there is a 10% chance that frost will occur before or after these dates. Watch your local weather for more accurate dates. Colorado on average has approximately 120 days between the last and first frost. Follow the planting schedules below for when to plant tomatoes, peppers and other vegetables.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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...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.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.

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.Sep 21. Sep 24. Sep 26. Sep 28. Sep 30. Oct 3. Oct 5. Oct 9. Now that you know your frost dates, use our Garden Planting Calendar for Syracuse, New York to know when to sow and transplant your various vegetable plants!Explore the 2023 Chevy Colorado Mid-Size Truck, equipped with 430 LB-FT max torque, class-leading available camera views, & offered in 5 unique trims. ... Close this window to stay here or choose another country to see vehicles and services specific to your location. Continue ALL-NEW 2023 COLORADO As shown MSRPs : Trail Boss: $ ... 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.Hardiness Zones for ZIP Code 80031 - Westminster, Colorado as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. Plantmaps.com. About; Data and Maps. ... Westminster Colorado is in 2023 USDA Hardiness Zones 6a (-10°F to -5°F) Additional Gardening Related Climate Data for ZIP Code 80031 - Westminster, Colorado .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. Severe freeze: 24°F (-4.4°C) and …Planting calendars are designed to calculate the best time to start seeds and plant a garden. Timing for all planting is based on first and last frost dates. For example, if planting in hardiness zone 5, the last frost date is generally between April 1st - April 15th, and the first frost date typically falls between October 16th - October ...

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What better way to experience Colorado's Grand Lake than with a family fishing trip? Watch Jorge Narvaez reminisce about his experiences fishing with his father by passing on the t...2024 First and Last Frost Dates for Places in Rhode Island 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. Death records are an important part of genealogical research, providing vital information about a person’s life and death. Colorado death records are no exception, and can provide ...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.2024 First and Last Frost Dates for Places in North DakotaLast Frost Dates were calculated using daily climate data from the period between 1991-2020. Related Pages List of Average Last Frost Dates for Locations in ArizonaA 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.You have a small 20% chance of getting 32° by October 5. There is a 50% chance of being hit by a 32° frost starting around October 16. You have a 80% chance of seeing 32° by October 28. 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. Our frost date calculator will tell you precisely when your garden in Denver, Colorado is at risk for frost. Additional Gardening Related Climate Data for ZIP Code 80134 - Parker, Colorado. 2023 Hardiness Zone: Zone 6a: -10°F to -5°F. Zone 5b: -15°F to -10°F. 2012 Hardiness Zone: Zone 5b: -15°F to -10°F. 1990 Hardiness Zone: Zone 5a: -20F to -15F. Average First Frost Date:About Frost Maps. Plantmaps maintains Frost data and maps for many regions on the earth. We've created Average First Frost Dates, Average Last Frost Dates and Average Number of days with Frost maps for most US States and Candian Provinces. Plantmaps also created maps for many countries around the world that are in latitudes where frost occurs. Our frost date calculator will tell you precisely when your garden in Denver, Colorado is at risk for frost. The last frost dates in a small northeastern pocket of Nebraska are May 16 to 31. The first frost dates in northern Nebraska are September 1 to 30. The first frost dates in southern Nebraska are October 1 to 15. Last and First Frost Dates for Nevada. The last frost dates in Nevada range from January 1 to July 31, depending on where …Median Date of First Frost in the Fall. - Median -. A - Aug 1 - Aug 31. B - Sep 1 - Sep 30. C - Oct 1 - Oct 15. D - Oct 16 - Oct 31. Colorado last frost date 2023, 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., 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 in Norfolk is approximately 1 – 10 April. What does last frost date mean? The average last frost date is the date when a region can expect its last frost meaning that many plants & vegetables can be sown or transplanted outside without the risk of the weather damaging the 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., Published March 21, 2022. Highlights. This map shows the average date past which the chances that the temperature will remain above freezing for the rest of the season are …, Depending on the type of celery, it takes roughly 45-55 days to grow celery from seed indoors and then transplant them to your garden. For a specific date that you should start celery seeds indoors you should: Find the last average frost date HERE. And then subtract 55 days from it., Here are Fort Collins' last frost, freeze dates There is a 50% chance of a hard freeze (28 degrees) April 18 and a 10% chance May 2. The average last frost (32 degrees) is around Mother's Day ..., 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., 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., Enter your ZIP or Postal code in the field above to see frost dates for your location (based on the nearest weather station), as well as the length of your growing season based on …, Our frost date calculator will tell you precisely when your garden in Denver, Colorado 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., 2024 First and Last Frost Dates for Places in New Jersey, 2024 First and Last Frost Dates for Places in New Brunswick, Weather Weather sub-navigation. 5-Day Forecast; Long-Range Forecast; SUMMER Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner; Planting Dates Chart; Robin's Garden Blog, 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., Enter your zip code or postal code above. The 2024 gardening calendar tells you the ideal times WHEN TO PLANT vegetables, fruit, and herbs in your area. The chart lists: While you don't have to plant the very first date available, you don't want to wait too long, or you won't get your crops matured and harvested before the first fall/winter frost., Ireland Interactive Average Last Frost Date Map. Ireland Interactive Average Last Frost Date Map. Plant Maps. Home (current) About; Home; Ireland Last Frost Date Map; Ireland Average Last Frost Date Map. Zone 6 Mar. 1 - Mar. 10: Zone 7 Mar. 11 - Mar. 20: Zone 8 Mar. 21 - Mar. 31: Zone 9 Apr. 1 - Apr. 10: Zone 10 Apr. 11 - Apr. 20: Zone 11, 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ..., The days in between equal the length of your frost-free growing season. For example, in the illustration above, the town of Adel has a 50% probability of a freeze happening on June 6 and September 17. That means the average last frost is June 6 and the average first frost is September 17, giving me an approximate 102-day growing season., Published March 21, 2022. Highlights. This map shows the average date past which the chances that the temperature will remain above freezing for the rest of the season are …, 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. Severe freeze: 24°F (-4.4°C) and …, Oct 1. Oct 6. Oct 9. Oct 13. Oct 16. Oct 20. Oct 24. Oct 30. Now that you know your frost dates, use our Garden Planting Calendar for Palisade, CO to know when to sow and transplant your various vegetable plants!, Since the 1990s they have been heavily involved with the preservation of rare, open-pollinated, heirloom seeds. Visit them at www.VictorySeeds.com. 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., Here are the average last frost dates, average first frost dates, average days in the growing season, and USDA zone for several cities in the United States, Canada, and other parts of the world. United States. State and city Last frost First frost Days Zone. Alabama. Birmingham March 19 November 14 241 7B., 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., 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. Severe freeze: 24°F (-4.4°C) and …