Another definition gives the last frost date as the last recorded frost date for a given location over a much longer period, in some cases the last frost date ever recorded. Last Frost First Frost; Chilliwack: April 1-10: November 11-20: Dawson Creek: May 11-20: September 11-20: Kamloops: May 1-10: October 1-10: Kelowna: April 21-30: October 21-31: Nanaimo: April 1-10: November 1-10: Port Alberni: May 1-10: October 11-20: Prince George: May 21-31: September 11-20: Terrace: May 11-20: October 11-20: Vancouver: March 21-31: November 11-20: Vernon: April 11-20: … Canadian gardeners need to know when the growing season in their area begins and ends so they can avoid losing plants to frost. Aberystwyth. Average first and last frost dates dates for places in Ontario. one seed at a time." Type in your postal code and it will tell you. click here for more information. Annual last spring frost date at any location in any given year may vary by as much as 15 days. --. (1) © 1972 - 2021 National Gardening Association, Times are presented in US Central Standard Time, Today's site banner is by zuzu and is called "Rosa 'Dorothy Perkins'". The most important factor in determining when to plant any vegetable in your garden is the "LAST FROST DATE" in the spring. Source: Table 1. 1 - Jun. These dates vary widely by region, which makes the regional charts helpful — we hope. Cited by the Ontario’s Climate Act From Plan to Progress Report by the Environmental Commissioner of Ontario (ECO, 2017) CONTEXT. Terms of Service apply. Based on statistics, there is a 10% chance that a Jun. A final complication is the span of dates given. Apr. We have made a PDF version available for you to download and save to your device. Initial weights for both winter weights and spring thaw weight dates are subject to change based on current road conditions. Frost can be very localized and variable across a small area. Now that you know your frost dates, use our Garden Planting Calendar for Ottawa, ON to know when to sow and transplant your various vegetable plants! Knowing local frost dates can improve your gardening by giving you an idea of when to start seeds indoors and outdoors, when to … for Ontario, Canada. The map identifies the 30-year average date after which there are no freezing temperatures until the return of cold temperatures in the fall. Now that you know your frost dates, use our Garden Planting Calendar for Toronto, ON to know when to sow and transplant your various vegetable plants! Location Last […] Map of projected climate change in Canada. Our “Day of the Last Spring Freeze” map, which is based on climatology, can help answer that question for your area. Frost Laws, Seasonal Load Weight and Speed Restrictions by State and Province (USA and Canada) – 2020. Zone 12. Canada. Fall First Frost/Freeze Info (Spring Last Freeze Info Is Available Below) The table (below) of average first frost/freeze dates has been updated for the 1981-2010 normals. 1961 In Kelowna, the last average frost date is May 19th, so a Kelowna gardener would start the same seeds around the third week of March to the first week of April. For this site, a frost is defined as a light freeze of temperatures ranging from 29 to 32 degrees F. (-2 to 0 degrees C). United States: Restrictions and Guidance on Seasonal Weight Restrictions . --. 21 - Apr. Leaflet | ©Plantmaps ©OpenStreetMap Contributors. click here for more information. We currently have over 600 towns in our frost dates list. In the Spring; Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%; Last 32°-----May 9----- the last spring and first fall frosts from station data compiled between the First and Last Frost Dates. The last frost date is the latest date that a light or hard frost was recorded 90 percent of the time. Privacy Policy and These reports may go back 100 years or so. In Miami, Florida, frost is very rare, and may not occur for years on end. 11 - Jun. Data for period 1941 to 1970. the plant, the temperature, the duration, as well as many other variables. A “frost” date really means when temperatures fall to 32°F or lower, which is cold enough to damage leaves or kill tender plants. 10. May 1 - May 10. Average Last and First Frost Dates for Ontario, Canada. frost will occur outside of the dates listed. Jun. Copyright © 1998 - 2016 -- All rights In spring, we have a ‘last frost date’, and in the fall we have a ‘first frost date’. The first average frost date in … What this means is that while the last frost date is a good indicator of when it is safe of put out plants, it is not a hard and fast rule but an approximation. Use this section of our site as a guide to help you estimate the average date on which can expect the last frost to occur in the late winter / spring as well as the first one in the fall. July 1, 2021. The probability of a freeze occurring after the last freeze date is 30 percent 1. years Last frost: The last time frost occurs in winter or spring in an average year. Report your final planted acreage for flue-cured tobacco. This chart provides frost dates across Canada. It is hard to pinpoint an exact date so it is wise to assume … 30. 21 - Jun. In fact, most sites had already gotten past their last hard freeze … Last frost dates will vary widely depending on where you live. For example, the last frost date in Montpelier, Vermont is September 24, while the last frost date in Atlanta, Georgia is November 13. click on H if your town is Harrogate). On some charts, dates are indicated as Julian Day Numbers, with January 1 = 1, January 2 = 2… August 1 = 214, September 1 = 245… October 1 = 275, and so on. Return any bees moved-out-of-province back to Ontario. Frost dates are the day of the year when it is calculated to be 50% likely that the temperature will dip below freezing, resulting in frost on the ground. What is Your Last Frost Date?Knowing your last frost date is super important for spring planting. These dates vary depending on various factors like latitude and longitude, altitude, and weather patterns that change yearly. Last day to report damage for the Unseeded Acreage Benefit for machine-harvested processing cucumbers. Ballycastle. Our information is taken directly from the National Weather Service and depending on the location of the reporting station for your zip code, the results may vary. 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