When to plant cucumbers in Arizona

Plant out in Phoenix

Feb 22–Mar 1

Across Arizona the window opens between February 22 and June 18. Find your city below; the dates follow each town's own average last frost.

Start indoors, Phoenix: Jan 11–Jan 18
Plant out, Phoenix: Feb 22–Mar 1
Sow outdoors, Phoenix: Feb 15–Mar 1
Last sowing for a harvest: Oct 2
Last frost, Phoenix: Jan 8

Start seeds indoors 3–4 weeks before the last frost; plant out 2–3 weeks after the last frost; sow outdoors 1–3 weeks after the last frost. Cucumbers rot in cold soil. Sow when the soil is at least 65°F.

Cucumbers planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

PhoenixFeb 22–Mar 1

TucsonFeb 22–Mar 1

GilbertFeb 22–Mar 1

ChandlerFeb 27–Mar 6

GlendaleFeb 22–Mar 1

ScottsdaleFeb 22–Mar 1

TempeFeb 27–Mar 6

GoodyearFeb 22–Mar 1

San Tan ValleyFeb 22–Mar 1

AvondaleFeb 22–Mar 1

Queen CreekFeb 22–Mar 1

MaricopaMar 9–Mar 16

FlagstaffJun 18–Jun 25

Casas AdobesMar 12–Mar 19

Casa GrandeFeb 22–Mar 1

Lake Havasu CityFeb 22–Mar 1

Prescott ValleyMay 14–May 21

Catalina FoothillsMar 6–Mar 13

PrescottMay 14–May 21

Sierra VistaApr 19–Apr 26

Bullhead CityFeb 22–Mar 1

Sun CityFeb 22–Mar 1

KingmanApr 16–Apr 23

El MirageFeb 22–Mar 1

Fortuna FoothillsFeb 22–Mar 1

Drexel HeightsFeb 22–Mar 1

FlorenceFeb 22–Mar 1

Rio RicoApr 30–May 7

Questions

When should I plant cucumbers in Arizona?

In Phoenix, plant out from February 22 to March 1. Across Arizona the window opens between February 22 and June 18, depending on the local last frost.

How is this date worked out?

Start seeds indoors 3–4 weeks before the last frost; plant out 2–3 weeks after the last frost; sow outdoors 1–3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Arizona

Cucumbers in other states

Frost dates for every city in Arizona