FrostCal

When to Plant Kale in Arizona

In a typical Arizona location, sow outdoors Jan 16 – Jan 30. Across the state, the outdoor planting window starts as early as Dec 7 in Bullhead City and as late as May 7 in Flagstaff. For a fall crop, plant around Sep 26 – Oct 10. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 50–65 days

Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.

Kale Planting Dates by City

CityDirect sowFall planting
PhoenixDec 8 – Dec 22Oct 25 – Nov 8
TucsonDec 23 – Jan 6Oct 8 – Oct 22
MesaJan 16 – Jan 30Sep 26 – Oct 10
ChandlerJan 16 – Jan 30Sep 26 – Oct 10
GilbertJan 16 – Jan 30Sep 26 – Oct 10
GlendaleDec 23 – Jan 6Oct 6 – Oct 20
ScottsdaleJan 16 – Jan 30Sep 26 – Oct 10
PeoriaDec 23 – Jan 6Oct 6 – Oct 20
TempeJan 16 – Jan 30Sep 26 – Oct 10
Tempe JunctionJan 16 – Jan 30Sep 26 – Oct 10
SurpriseDec 23 – Jan 6Oct 6 – Oct 20
YumaDec 11 – Dec 25Oct 19 – Nov 2
San Tan ValleyJan 4 – Jan 18Oct 2 – Oct 16
AvondaleDec 10 – Dec 24Oct 15 – Oct 29
GoodyearDec 10 – Dec 24Oct 15 – Oct 29
FlagstaffMay 7 – May 21Jul 20 – Aug 3
Casas AdobesJan 29 – Feb 12Sep 25 – Oct 9
Lake Havasu CityDec 8 – Dec 22Oct 20 – Nov 3
Casa GrandeJan 8 – Jan 22Sep 27 – Oct 11
BuckeyeDec 10 – Dec 24Oct 15 – Oct 29
Catalina FoothillsJan 23 – Feb 6Sep 18 – Oct 2
MaricopaJan 26 – Feb 9Sep 15 – Sep 29
Oro ValleyMar 5 – Mar 19Sep 2 – Sep 16
Sierra VistaMar 8 – Mar 22Aug 31 – Sep 14
Prescott ValleyMar 23 – Apr 6Aug 18 – Sep 1
PrescottApr 2 – Apr 16Aug 11 – Aug 25
MaranaJan 26 – Feb 9Sep 27 – Oct 11
Bullhead CityDec 7 – Dec 21Oct 14 – Oct 28
Apache JunctionJan 14 – Jan 28Oct 1 – Oct 15
Sun CityDec 23 – Jan 6Oct 6 – Oct 20

Showing the 30 most populous of 72 Arizona cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Arizona cities.

Frequently Asked Questions

When should I plant kale in Arizona?

In a typical Arizona location, sow outdoors Jan 16 – Jan 30. Across the state, the outdoor planting window starts as early as Dec 7 in Bullhead City and as late as May 7 in Flagstaff. For a fall crop, plant around Sep 26 – Oct 10. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.

When is the last frost in Arizona?

The average last spring frost in Arizona ranges from January 4 in Bullhead City to June 4 in Flagstaff, based on NOAA 1991–2020 climate normals.

How long do kale take to grow?

Kale typically take 50–65 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.

Other Crops in Arizona

When to plant kale in other states

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