Past Weather in Seattle, Washington, USA — Yesterday and Last 2 Weeks. Time/General. Weather. Time Zone. DST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 59 °F. Partly cloudy.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. Severe freeze: 24°F (-4.4°C) and colder—heavy ...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 ChartProbability 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).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 and last frost date in Seattle. According to your hardiness zone, 8b, the final frost date in spring is likely to be around March 21st. Keep in mind that this is an estimation based on the observation of …Sep 25. Sep 30. Oct 3. Oct 7. Oct 10. Oct 14. Oct 18. Oct 24. Now that you know your frost dates, use our Garden Planting Calendar for Snoqualmie Falls, WA to know when to sow and transplant your various vegetable plants!Seattle Temperature Yesterday. Maximum temperature yesterday: 54 °F (at 3:53 pm) Minimum temperature yesterday: 49 °F (at 2:53 am) Average temperature yesterday: 52 …Wait until after the last frost date and sow the seeds about 1/2 inch deep and 10-12 inches apart. Keep the soil moist until the seeds germinate, which should take about 7-10 days. Overall, nasturtiums are easy to grow and can be planted in a variety of ways. By following these tips and understanding when to plant nasturtium seeds, you can ...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 7. Oct 10. Oct 14. Oct 18. Oct 24. Now that you know your frost dates, use our Garden Planting Calendar for Redmond, Washington to know when to sow and transplant your various vegetable plants!Date Calculators. Time and Date Duration - Calculate duration, with both date and time included. Date Calculator - Add or subtract days, months, years. Weekday Calculator - What day is this date? Birthday Calculator - Find when you are 1 billion seconds old. Week Number Calculator - Find the week number for any date.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.Seattle is a bustling city with a vibrant waterfront and numerous attractions. One of the most popular destinations for tourists and locals alike is Pier 91, which serves as a majo...You have a small 20% chance of getting 32° by October 10. There is a 50% chance of being hit by a 32° frost starting around October 25. You have a 80% chance of seeing 32° by November 9. 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.First and last frost date in Seattle. According to your hardiness zone, 8b, the final frost date in spring is likely to be around March 21st. Keep in mind that this is an estimation based on the observation of 30 years of data. It is not a guarantee. It is possible for frost to occur after this date so be prepared to cover your plants in the ...Last Frost Date. On average the last frost is on March 15 in Seattle. In the coldest months of winter you can expect an average low temperature of 15°F. Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Seattle and it will vary from year to year.First and last frost date in Seattle. According to your hardiness zone, 8b, the final frost date in spring is likely to be around March 21st. Keep in mind that this is an estimation based on the observation of 30 years of data. It is not a guarantee. It is possible for frost to occur after this date so be prepared to cover your plants in the ...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.The average date of last frost is March 15 in Seattle. It might get as low as 15°F during the coldest months of winter. It's important 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 Seattle and it 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.United Kingdom Plant Hardiness Zone Map. Texas Average Last Frost Map. Alberta Average Last Frost Map. Florida Average Last Frost Map. North Carolina Plant Hardiness Zone Map. California Drought Conditions Map. Spain Plant Hardiness Zone Map. New York Average Last Frost Map. Washington Plant Hardiness Zone Map.Oct 20. Oct 24. Oct 27. Oct 30. Nov 2. Nov 6. Nov 9. Nov 15. Now that you know your frost dates, use our Garden Planting Calendar for Seattle Tacoma Ap, WA to know when to sow and transplant your various vegetable plants!Sep 19. Sep 22. Sep 24. Sep 26. Sep 28. Sep 30. Oct 3. Oct 7. Now that you know your frost dates, use our Garden Planting Calendar for Danbury, CT 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 ...On average, your last spring frost occurs on March 16 (at SEATTLE SAND PT WSFO, WA climate station, elevation 59 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: Jan 19-Feb 2 Jan 19-25: Feb 23-Mar 8 Feb 23-24: Feb 16-23 Feb 16-23: Oct 18 ...The average date of last frost is March 15 in Seattle. You can expect an average low temperature of 15°F in the coldest months of winter. ... Since half of the time in Seattle last frost occurs after March 15 be ready to protect your …Are you a fan of the Seattle Seahawks but can’t always make it to the stadium or catch the games on TV? Don’t worry, there are plenty of options for watching Seahawks games online....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.These dates can vary year by year, usually within about a two-week window. City, State. First Fall Frost Date. Last Spring Frost Date. Atlanta, GA. November 18. March 17.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.Well, you don’t need a crystal ball to determine when the last frost may cover your newly potted plants. Instead, take a look at our Average Last Date of Spring Freeze map. Values were derived from the 1991–2020 U.S. Climate Normals —a database of 30-year averages of climatological variables, including temperatures.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.Find out when to plant vegetables, herbs, flowers and other plants in Seattle, WA based on USDA Zone 8b. The average date of last frost in spring is March 15 and the average date of first frost in fall is November 15.Find out when to plant vegetables, herbs, flowers and other plants in Seattle, WA based on USDA Zone 8b. The average date of last frost in spring is March 15 and the average date of first frost in fall is November 15.On average, your last spring frost occurs on March 21 (at SEATTLE BOEING FLD, WA climate station, elevation 19 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: Jan 24-Feb 7 Jan 24-25: Feb 28-Mar 14: Feb 21-28 Feb 21-24: Oct 13: Asparagus: N ...Find the average dates of the last and first frost for Seattle, WA based on historical climate data and a 30% probability. Learn how to protect plants from frost and get a customized …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 17. Oct 21. Oct 25. Oct 28. Nov 1. Nov 6. Nov 12. Now that you know your frost dates, use our Garden Planting Calendar for Bremerton, 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.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.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 BlogIn Seattle the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F . Always keep in mind that USDA zone info for Seattle may not be accurate from year to year and the actual date of last frost is different every year.An Interactive Map of Average First Frost Dates in Washington and a list of locations in Washington with Average First Frost Dates. Plantmaps.com. About; ... Seattle: Nov. 11 - Nov. 20: Shoreline: Nov. 11 - Nov. 20: Silver Firs: Nov. 1 - Nov. 10 ... Washington Average Days with Frost Map; Washington Average Last Frost Dates Map; US Drought ...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.Climate Averages, Frost Dates, Hardiness Zones and Drought Conditions for Seattle Washington. Plantmaps.com. About; Data and Maps. Extreme Temperatures Frost Data and Maps Hardiness Zones Data and Maps Wine Regions. ... Average Last Frost Date: Apr. 1 - Apr. 10: Average Days With Frost: 20-30 Days: Plant Hardiness Zone - 2023: Zone 9a : -6.7°C ...Sep 25. Sep 30. Oct 3. Oct 7. Oct 10. Oct 14. Oct 18. Oct 24. Now that you know your frost dates, use our Garden Planting Calendar for Snoqualmie Falls, 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.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 25. Sep 30. Oct 3. Oct 7. Oct 10. Oct 14. Oct 18. Oct 24. Now that you know your frost dates, use our Garden Planting Calendar for Snoqualmie Falls, 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. 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.Average Date of First Frost (fall) December 15. Lowest Expected Low. 30°F. Highest Expected Low. 35°F. This means that on a really cold year, the coldest it will get is 30°F . On most years you should be prepared to experience lows near 35°F . Below is a list of planting guides for Zone 10a.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 is the day in the spring when the last frost of the season occurs (meaning that there will be no more frost until the fall or winter). A frost means freezing temperatures of 32 degrees Fahrenheit (0 degrees Celsius) or below. The last frost date in a location for a given year may not be the same as the average last frost ...Germany Interactive Average Last Frost Date Map. Plant Maps. Home (current) About; Home; Germany Last Frost Date Map; Germany Average Last Frost Date Map. Zone 8 Mar. 21 - Mar. 31: Zone 9 Apr. 1 - Apr. 10: Zone 10 Apr. 11 - Apr. 20: Zone 11 Apr. 21 - Apr. 30: Zone 12 May 1 - May 10: Zone 13 May 11 - May 20: Zone 14 May 21 - May 31: Zone 15A 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.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 14. You have a 80% chance of seeing 32° by October 27. 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.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 BlogWelcome to FrostDate.com! You have the internet's largest collection of last frost dates by city. You also have guides for planting each plant in your city, as well as for each zone. Start by choosing your state from the list below. Or you can choose your USDA Zone from the list at the bottom of the page. When to plant seeds based on the last ...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.Last Frost Date. On average the last frost has passed is on March 15 in Seattle. You should expect an average low temperature of 15°F in the coldest months of winter. Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Seattle and it 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.You have a small 20% chance of getting 32° by October 17. There is a 50% chance of being hit by a 32° frost starting around October 30. 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. In the Fall.Jun. 1 - Jun. 10. Zone 16. Jun. 11 - Jun. 20. Zone 17. Jun. 21 - Jun. 30. Plantmaps has derived zones indicating the average annual Last frost dates for United Kingdom.Welcome to FrostDate.com! You have the internet's largest collection of last frost dates by city. You also have guides for planting each plant in your city, as well as for each zone. Start by choosing your state from the list below. Or you can choose your USDA Zone from the list at the bottom of the page. When to plant seeds based on the last ...You have a small 20% chance of getting 32° by October 21. There is a 50% chance of being hit by a 32° frost starting around October 30. You have a 80% chance of seeing 32° by November 7. 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 20. Oct 24. Oct 29. Now that you know your frost dates, use our Garden Planting Calendar for Washington, District of Columbia to know when to sow and transplant your various vegetable plants!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.Washington Last Frost Dates. Freeze / Frost Occurrence Data. All probabilities in whole percent. See notes for probability level description. ... Station Name. Threshold (F) Spring (Date) Probability Level. 90%. 50%. 10%. ... SEATTLE TACOMA AP. 36° ...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 Last Frost Dates. Freeze / Frost Occurrence Data. All probabilities in whole percent. See notes for probability level description. ... Station Name. Threshold (F) Spring (Date) Probability Level. 90%. 50%. 10%. ... SEATTLE TACOMA AP. 36° ...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.Sep 29. Oct 3. Oct 7. Oct 10. Oct 14. Oct 18. Oct 24. Now that you know your frost dates, use our Garden Planting Calendar for Duvall, Washington 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.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 First and last frost date in Seattle. According t Wait until after the last frost date and sow the seeds about 1/2 inch deep and 10-12 inches apart. Keep the soil moist until the seeds germinate, which should take about 7-10 days. Overall, nasturtiums are easy to grow and can be planted in a variety of ways.Last Frost Date. On average the last frost is on March 15 in Seattle. You can expect an average low temperature of 15°F in the coldest months of winter. Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Seattle and it is different every year. When you’re planning a trip to Seattle, you want to make sure you ge 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. Look to the lower left corner of the chart for your official s...
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