WebAdditional Gardening Related Climate Data for Zipcode 97220 - Portland, Oregon . 1990 Hardiness Zone: Zone 8b: 15F to 20F: Average First Frost Date: November 11 - 20: Average Last Frost Date: March 21 - 31: ... Oregon Last Frost Date Map; Map of Oregon Record High/Low Temperatures; Oregon Interactive Drought Monitor Map; Oregon Ecoregions; WebApr 11, 2024 · That’s later than the average last frost dates for parts of Portland and Oregon City, according to a chart from the Multnomah County Master Gardener Association. On …
Average First and Last Frost Dates for Cities, States, and Countries
WebA 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 … WebFeb 8, 2012 · Portland, Oregon Frost Dates. Posted on February 8, 2012 by admin. Last frost* (temperature down to 32 degrees) in spring: April 26. First frost** in autumn: October 18. *The National Weather Service calculates there is a 10 per cent chance of frost occurring after this date, so be prepared to cover tender plants for a week or two after this date. south park ginger kids episode
Oregon Interactive Average Last Frost Date Map - Plantmaps
WebSep 27, 2012 · April 6. St. Louis, MO. November 8. April 9. Washington, DC. November 17. March 28. For more details, try looking up your zip code for frost and freeze dates using the lookup tool at Dave's Garden. Soil temperature is a … WebFeb 8, 2012 · Portland, Oregon Frost Dates. Posted on February 8, 2012 by admin. Last frost* (temperature down to 32 degrees) in spring: April 26. First frost** in autumn: … WebSunrise & Sunset with Twilight and Daylight Saving Time in 2024 in Portland. The solar day over the course of the year 2024. From bottom to top, the black lines are the previous … south park giant poop