WebPortland falls into USDA hardiness zone 8b (with average low temperatures from 15 to 20 degrees Fahrenheit) or 9a (with average lows from 20 to 25 degrees Fahrenheit) for parts … WebJul 27, 2024 · The National Arbor Society has Portland at zone 5-6. As you know, zone 6 in Maine is currently midcoast, south York county and a narrow strip in Saco, OOB, and Scarborough (seacoast/marsh area). I did a quick research of lows in Portland from 1990 on up (ignoring the few +1/+2 degree days (coldest was -17). The Portland average low was …
Hardiness zone - Wikipedia
WebIn a 20-year period, the lowest winter temperatures in Zone 17 ranged from 36 to 23°F (2 to –5°C). The lowest temperatures on record range from 30 to 20°F (–1 to –7°C). Of further interest in this heat-starved climate are the highs of summer, normally in the 60 to 75°F (16 to 24°C) range. The average highest temperature in Zone 17 ... WebAug 15, 2024 · Zipcode 97202 – Portland Oregon is in Hardiness Zones 8b and 9a. What temperature zone is Oregon? Oregon zones are expansive and include zones 4b through 9b. The southern coastal region is the warmest and winter extreme lows are 30 degrees F. (-1 C.), while the coolest regions in the state may dip to -20 degrees F. ... mitsubishi forklift
What’s Going On in This Graph? Growing Zones
WebJul 8, 2024 · When the hardiness zone maps inevitably shift, the most significant information it will provide for gardeners in Maine will be what perennial crops will thrive … WebDec 9, 2024 · It prefers 150 days of rain per year, or an equivalent amount of irrigation. Unlike Ceylon cinnamon, the bark of true cinnamon is typically made into oil. Growing best in USDA zones 9b through 11 ... mitsubishi forklift crankshaft sensor