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USDA ZONE 9a

SUNSET MAGAZINE ZONE 20
Last Frost usually January 31 or before

First Frost usually November 30-December 31
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Columns show Low Temperature Ranges

USDA  Fahrenheit Celsius USDA  Fahrenheit Celsius      Sunset Magazine Zone 20 Typified by cool winters and mild summers, this zone includes Burbank, Glendale and Escondido.
1 Below -50 Below -45.6 6b -5  0 -17.8  -20.5
2a -50  -45 -42.8 -45.5 7a 0  5 -15.0  -17.7
2b -45  -40 -40.0 -42.7 7b 5  10 -12.3  -14.9
3a -40  -35 -37.3 -39.9  8a 10  15 -9.5  -12.2 
3b -35  -30 -34.5 -37.2 8b 15  20 -6.7  -9.4
4a -30  -25 -31.7 -34.4  9a 20  25 -3.9  -6.6 
4b -25  -20 -28.9 -31.6 9b 25  30 -1.2  -3.8 
5a -20  -15 -26.2 -28.8  10a 30  35 1.6  -1.1
5b -15  -10 -23.4 -26.1  10b 35  40 4.4  1.7
6a -10  -5 -20.6 -23.3 11 above 40 above 4.5

 

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  Return Home  Mountain States Wholesale Nursery  webmaster george@mswn.com January 05, 2009