FrostCal

When to Plant Radishes in Arizona

In a typical Arizona location, sow outdoors Jan 9 – Jan 23. Across the state, the outdoor planting window starts as early as Nov 30 in Bullhead City and as late as Apr 30 in Flagstaff. For a fall crop, plant around Oct 24 – Nov 7. 3 cities in Arizona are essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 22–30 days

Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Radishes Planting Dates by City

CityDirect sowFall planting
PhoenixDec 1 – Dec 15Nov 22 – Dec 6
TucsonDec 16 – Dec 30Nov 5 – Nov 19
MesaJan 9 – Jan 23Oct 24 – Nov 7
ChandlerJan 9 – Jan 23Oct 24 – Nov 7
GilbertJan 9 – Jan 23Oct 24 – Nov 7
GlendaleDec 16 – Dec 30Nov 3 – Nov 17
ScottsdaleJan 9 – Jan 23Oct 24 – Nov 7
PeoriaDec 16 – Dec 30Nov 3 – Nov 17
TempeJan 9 – Jan 23Oct 24 – Nov 7
Tempe JunctionJan 9 – Jan 23Oct 24 – Nov 7
SurpriseDec 16 – Dec 30Nov 3 – Nov 17
YumaDec 4 – Dec 18Nov 16 – Nov 30
San Tan ValleyDec 28 – Jan 11Oct 30 – Nov 13
AvondaleDec 3 – Dec 17Nov 12 – Nov 26
GoodyearDec 3 – Dec 17Nov 12 – Nov 26
FlagstaffApr 30 – May 14Aug 17 – Aug 31
Casas AdobesJan 22 – Feb 5Oct 23 – Nov 6
Lake Havasu CityDec 1 – Dec 15Nov 17 – Dec 1
Casa GrandeJan 1 – Jan 15Oct 25 – Nov 8
BuckeyeDec 3 – Dec 17Nov 12 – Nov 26
Catalina FoothillsJan 16 – Jan 30Oct 16 – Oct 30
MaricopaJan 19 – Feb 2Oct 13 – Oct 27
Oro ValleyFeb 26 – Mar 12Sep 30 – Oct 14
Sierra VistaMar 1 – Mar 15Sep 28 – Oct 12
Prescott ValleyMar 16 – Mar 30Sep 15 – Sep 29
PrescottMar 26 – Apr 9Sep 8 – Sep 22
MaranaJan 19 – Feb 2Oct 25 – Nov 8
Bullhead CityNov 30 – Dec 14Nov 11 – Nov 25
Apache JunctionJan 7 – Jan 21Oct 29 – Nov 12
Sun CityDec 16 – Dec 30Nov 3 – Nov 17

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 radishes in Arizona?

In a typical Arizona location, sow outdoors Jan 9 – Jan 23. Across the state, the outdoor planting window starts as early as Nov 30 in Bullhead City and as late as Apr 30 in Flagstaff. For a fall crop, plant around Oct 24 – Nov 7. 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 radishes take to grow?

Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Other Crops in Arizona

When to plant radishes in other states

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