When to plant swiss chard in Arizona

Swiss chard
Sow outdoors in Phoenix
Dec 25–Jan 22

Across Arizona the window opens between December 21 and May 21. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Phoenix
Dec 25–Jan 22
Last frost, Phoenix
Jan 8

Sow outdoors from 2 weeks before to 2 weeks after the last frost. Cut outer leaves and the plant keeps going until hard frost.

Swiss chard planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
PhoenixDec 25–Jan 22
TucsonJan 22–Feb 19
GilbertJan 18–Feb 15
ChandlerJan 30–Feb 27
GlendaleJan 6–Feb 3
ScottsdaleJan 13–Feb 10
TempeJan 30–Feb 27
GoodyearDec 31–Jan 28
San Tan ValleyJan 18–Feb 15
AvondaleDec 31–Jan 28
Queen CreekJan 18–Feb 15
MaricopaFeb 9–Mar 9
FlagstaffMay 21–Jun 18
Casas AdobesFeb 12–Mar 12
Casa GrandeJan 22–Feb 19
Lake Havasu CityDec 22–Jan 19
Prescott ValleyApr 16–May 14
Catalina FoothillsFeb 6–Mar 6
PrescottApr 16–May 14
Sierra VistaMar 22–Apr 19
Bullhead CityDec 21–Jan 18
Sun CityJan 6–Feb 3
KingmanMar 19–Apr 16
El MirageJan 6–Feb 3
Fortuna FoothillsDec 21–Jan 18
Drexel HeightsJan 22–Feb 19
FlorenceJan 16–Feb 13
Rio RicoApr 2–Apr 30

Questions

When should I plant swiss chard in Arizona?

In Phoenix, sow outdoors from December 25 to January 22. Across Arizona the window opens between December 21 and May 21, depending on the local last frost.

How is this date worked out?

Sow outdoors from 2 weeks before to 2 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Arizona

Swiss chard in other states

Frost dates for every city in Arizona