Michigan frost dates

First Fall Frost. Growing Season. DEARBORN #2, MI. 603'. May 2. Oct 20. 170 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA.

Michigan frost dates. You have a small 20% chance of getting 32° by September 24. There is a 50% chance of being hit by a 32° frost starting around October 8. You have a 80% chance of seeing 32° by October 22. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.

You have a small 20% chance of getting 32° by October 1. There is a 50% chance of being hit by a 32° frost starting around October 13. You have a 80% chance of seeing 32° by October 24. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.

Fortunately, Michigan has developed an online map tool that makes this process much easier! In today’s blog post, we’ll give step-by-step instructions on how to navigate the Michigan Frost Law Map like a pro! Step 1: Access The Official Website. The first thing you need is access to the official website where all information related to snow ...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.You can find plants that are hardy in your region by inputting your zip code into My Garden Life’s USDA Zone Finder. Use the map to locate a desired region and match it to the corresponding color in the …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 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones. A broadband internet connection is recommended for the ...Some examples that might help: 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 17. You have a 80% chance of seeing 32° by September 29. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.News. Farmers' Almanac predicts last frost dates for spring in Michigan. By Angela Mulka, Staff writer Feb 1, 2024. The Farmers' Almanac recently estimated when the last spring frost will...

First Fall Frost. Growing Season. LAPEER WWTP, MI. 820'. May 12. Oct 7. 147 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA.As your growing season comes to an end, the nightly temperatures for Hubbardston, Michigan 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 September 18, and by October 14 you're almost certain to have received at least one frost event.As your growing season comes to an end, the nightly temperatures for Sparta, Michigan 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 September 26, and by October 16 you're almost certain to have received at least one frost event.As your growing season comes to an end, the nightly temperatures for South Lyon, Michigan 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 September 20, and by October 19 you're almost certain to have received at least one frost event.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 ...

Many Michigan corn producers are anxiously waiting to see if corn that experienced delayed germination will reach full maturity before the first frost. The U2U tool is an online public platform that can assist in providing estimates of corn maturity versus historical first frost dates. | Photo by Manni Singh, MSU September 22, 2023Many Michigan corn producers are anxiously waiting to see if corn that experienced delayed germination will reach full maturity before the first frost. The U2U tool is an online public platform that can assist in providing estimates of corn maturity versus historical first frost dates. | Photo by Manni Singh, MSU September 22, 2023Welfare fraud, as defined by the State of Michigan, constitutes receiving or attempting to receive, aiding in the receipt or attempted receipt of property, rights, income or legal ...You have a small 20% chance of getting 32° by September 30. There is a 50% chance of being hit by a 32° frost starting around October 9. You have a 80% chance of seeing 32° by October 18. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.

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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. 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.Starting a foundation in the winter or spring is usually not a big deal as long as the footers are poured the day of or day after the hole is excavated. This prevents frost from getting into the soil you will be pouring the concrete on. We usually pour the footer then lay a few courses of block, install the drain tile and tar the wall then ...Sep 23. Sep 25. Sep 28. Sep 30. Oct 3. Oct 6. Oct 10. Now that you know your frost dates, use our Garden Planting Calendar for Grand Rapids, Michigan to know when to sow and transplant your various vegetable plants! Sep 20. Sep 23. Sep 25. Sep 28. Sep 30. Oct 2. Oct 5. Oct 8. Now that you know your frost dates, use our Garden Planting Calendar for Flint, Michigan to know when to sow and transplant your various vegetable plants!

November 6/March 28. Portland Downtown. November 27/February 24. Troutdale. November 8/March 28. Wilsonville. October 30/April 18. Statistics used to formulate first and last frost dates are drawn from weather data collected from 1981-2010. All data is collected at low elevations.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 9. There is a 50% chance of being hit by a 32° frost starting around October 17. You have a 80% chance of seeing 32° by October 26. 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.Oct 12. Oct 15. Oct 17. Oct 21. Oct 26. Now that you know your frost dates, use our Garden Planting Calendar for Michigan City, Indiana to know when to sow and transplant your various vegetable plants!Frost Dates: First and last frost dates for Portland, Michigan - Garden.org. How to read these charts for the spring. As the growing season approaches, the days get longer, the …Especially if you live in northern Michigan, keep an eye on the predicted low temperatures and know the typical frost-free dates in your area. For example, there is still a 25% chance that there will be a freezing temperature after today in Escanaba, Michigan, and the latest freeze ever recorded in recent history was May 30.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. 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...

15 Nov 2021 ... What are Frost Dates? ... There are two frost dates: the first frost date and the last frost date. Frost occurs when the air temperature reaches ...

You have a small 20% chance of getting 32° by September 26. There is a 50% chance of being hit by a 32° frost starting around October 7. You have a 80% chance of seeing 32° by October 19. 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.Michigan State University has published a table of dates based on a thirty-year average (1951 to 1980) that gardeners can use to determine these dates in their local community in Michigan. To use an example, the published dates for Pontiac's 30-year average date of the last 32-degree temperature is May 24. This means that it is statistically ...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 ...Sep 21. Sep 24. Sep 27. Sep 30. Oct 4. Oct 9. Now that you know your frost dates, use our Garden Planting Calendar for Muskegon, Michigan 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...Sep 14. Sep 17. Sep 19. Sep 21. Sep 24. Sep 26. Sep 30. Now that you know your frost dates, use our Garden Planting Calendar for Bloomingdale, MI 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...You have a small 20% chance of getting 32° by September 26. There is a 50% chance of being hit by a 32° frost starting around October 7. You have a 80% chance of seeing 32° by October 19. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.Setting up a living trust is easier than you think. In this guide, we discuss the steps you need to take to set up a living trust in the state of Michigan Calculators Helpful Guide...

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Sep 9. Sep 13. Sep 16. Sep 19. Sep 21. Sep 24. Sep 28. Oct 3. Now that you know your frost dates, use our Garden Planting Calendar for Grand Ledge, Michigan to know when to sow and transplant your various vegetable plants!Oct 5. Oct 7. Oct 10. Oct 13. Oct 15. Oct 19. Oct 23. Now that you know your frost dates, use our Garden Planting Calendar for Spring Lake, Michigan to know when to sow and transplant your various vegetable plants!Oct 12. Oct 15. Oct 20. Now that you know your frost dates, use our Garden Planting Calendar for Monroe, Michigan 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...You have a small 20% chance of getting 32° by September 14. There is a 50% chance of being hit by a 32° frost starting around September 25. You have a 80% chance of seeing 32° by October 5. 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. WHAT: Seasonal Weight Restrictions WHEN: Wednesday, February 8, 2023 at 6 a.m. until further notice WHERE: County-wide BACKGROUND: Seasonal weight restrictions will go into effect starting Wednesday, February 8, 2023, at 6 a.m. A subsequent Advisory will be issued when the Seasonal Weight Restrictions are suspended. Most of the roadways under the Washtenaw County RoadOct 12. Oct 15. Oct 17. Oct 21. Oct 26. Now that you know your frost dates, use our Garden Planting Calendar for Michigan City, Indiana 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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...Oct 3. Oct 6. Oct 9. Oct 12. Oct 17. Now that you know your frost dates, use our Garden Planting Calendar for Saint Clair, Michigan to know when to sow and transplant your various vegetable plants!A frost date is the average date of the last frost in spring or the first frost in fall or winter. Frost occurs when air temperatures reach freezing: 32° Fahrenheit (0° Centigrade). However, a frost can occur even when air temperatures are just above freezing. Frost can damage young and newly planted plants, the new growth on established ...As your growing season comes to an end, the nightly temperatures for Alto, Michigan 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 September 26, and by October 16 you're almost certain to have received at least one frost event. ….

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.You have a small 20% chance of getting 32° by September 24. There is a 50% chance of being hit by a 32° frost starting around October 3. You have a 80% chance of seeing 32° by October 11. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.As your growing season comes to an end, the nightly temperatures for Imlay City, Michigan 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 September 5, and by October 15 you're almost certain to have received at least one frost event.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 ...I have seen many, many threads about the history of the coney island sauce for hot dogs that originated in the Detroit area and are served as “Michigans” in New York state and part...You have a small 20% chance of getting 32° by September 30. There is a 50% chance of being hit by a 32° frost starting around October 8. You have a 80% chance of seeing 32° by October 16. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.Oct 12. Oct 15. Oct 17. Oct 21. Oct 26. Now that you know your frost dates, use our Garden Planting Calendar for Michigan City, Indiana to know when to sow and transplant your various vegetable plants! Michigan 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., As your growing season comes to an end, the nightly temperatures for Allen Park, Michigan 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 September 26, and by October 24 you're almost certain to have received at least one frost event., As your growing season comes to an end, the nightly temperatures for Hartford, Michigan 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 October 7, and by October 31 you're almost certain to have received at least one frost event., 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 20. 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., As your growing season comes to an end, the nightly temperatures for Mount Pleasant, Michigan 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 September 24, and by October 20 you're almost certain to have received at least one frost event., First Fall Frost. Growing Season. KALKASKA, MI. 1036'. May 30. Sep 24. 116 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA., How to read these charts for the fall. As your growing season comes to an end, the nightly temperatures for Menominee, Michigan 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 September 20, and by October 13 you're almost certain to have received at least ..., 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 ..., You have a small 20% chance of getting 32° by September 30. There is a 50% chance of being hit by a 32° frost starting around October 8. You have a 80% chance of seeing 32° by October 16. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall., As your growing season comes to an end, the nightly temperatures for Southfield, Michigan 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 September 26, and by October 24 you're almost certain to have received at least one frost event., First Fall Frost. Growing Season. EAST LANSING 4 S, MI. 879'. May 4. Oct 11. 159 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA., 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, As your growing season comes to an end, the nightly temperatures for Elk Rapids, Michigan 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 28, and by September 27 you're almost certain to have received at least one frost event., 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., Note: These dates are averages, so they can only tell us what is typical not the future. Also, the frost dates are based on a 30% probability, meaning that there is a 30% chance of a frost occurring after the given spring frost date or before the fall frost date. (In other words, these dates are NOT absolutes and should only be used as rough ..., Last frost date is the average date on which the last frost of the season might occur in a particular area, based on historical data. Last frost date in the spring, and first frost date in the fall, are not definite dates - they are guidelines. For spring planting, some seeds/plants can be put out before the last frost date., As your growing season comes to an end, the nightly temperatures for Alto, Michigan 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 September 26, and by October 16 you're almost certain to have received at least one frost event., First Fall Frost. Growing Season. HILLSDALE, MI. 1079'. May 10. Oct 6. 148 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. , Air and soil temperature are the name of the game when it comes to growing tomatoes. For tomatoes to grow properly, the soil temperature should reach at least 55 degrees Fahrenheit, but preferably 60 degrees during the day. You want to be aware of when the last average spring frost happens in your area – this is also called a Hardiness zone., List of Average Last Frost Dates for Locations in Michigan. Location. Average Last Frost Dates. Adrian. May 21 - May 31. Allen Park. May 11 - May 20. Allendale. May 21 - May 31., An Interactive Map of Average First Frost Dates in Michigan and a list of locations in Michigan with Average First Frost Dates., As your growing season comes to an end, the nightly temperatures for Caro Wwtp, MI 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 September 9, and by October 5 you're almost certain to have received at least one frost event., 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 ..., LANSING, Mich. ­- The Michigan Department of Transportation (MDOT) and local agencies are enacting spring weight restrictions, an annual move to protect roads. Effective 6 a.m. Monday, Feb. 13, weight restrictions will be imposed and enforced on all state trunkline highways from the Michigan/Indiana and Michigan/Ohio state lines north to and including M-55 from the intersection with US-31 in ..., Oct 1. Oct 4. Oct 7. Oct 12. Now that you know your frost dates, use our Garden Planting Calendar for Alpena, Michigan to know when to sow and transplant your various vegetable plants! , First Fall Frost. Growing Season. NILES, MI. 649'. May 4. Oct 19. 167 days. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA., Frost becomes more widespread when the temperature falls below 32°F with some freeze possible. A hard freeze is possible when temperatures fall below 28°F. In the 32F/28F Freeze Maps section, you'll find national and regional maps from the Midwest Regional Climate Center (MRCC) that depict the typical dates for freezes in the early fall, and ..., 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 9. There is a 50% chance of being hit by a 32° frost starting around October 20. You have a 80% chance of seeing 32° by October 31. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall., The dates provided are based on the number of weeks before or after frost, so we can provide a unique calendar to every user in the country. Thus, several crops (especially similar crops) may appear to have the same date. Kale and lettuce, for example, or dates for starting seeds, like broccoli and cabbage. Fall Planting Calendar, MSU Extension's Gardening in Michigan website has the frost free chart on its website. (Go to the Vegetables page and it's under the "Garden planning calendar" section.) The chart gives ..., Concrete and asphalt roads can be quite fragile in late winter as frost comes out of the ground, according to the County Road Association of Michigan. As frost melts beneath a paved road, the roadbed turns wet and spongy because water is trapped between the pavement and the remaining ice layer beneath., 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.