When to plant onions in Nevada

Onions
Plant out in Las Vegas
Dec 13–Jan 3

Across Nevada the window opens between December 9 and April 17. Find your city below; the dates follow each town's own average last frost.

Start indoors, Las Vegas
Nov 1–Nov 29
Plant out, Las Vegas
Dec 13–Jan 3
Last frost, Las Vegas
Jan 24

Start seeds indoors 8–12 weeks before the last frost; plant out 3–6 weeks before the last frost. Northern gardens need long-day varieties and southern gardens need short-day ones. A wrong pick gives small bulbs.

Onions planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Las VegasDec 13–Jan 3
North Las VegasDec 21–Jan 11
RenoMar 17–Apr 7
Spring ValleyDec 24–Jan 14
Sunrise ManorDec 21–Jan 11
ParadiseDec 9–Dec 30
SparksMar 20–Apr 10
Carson CityMar 23–Apr 13
PahrumpFeb 15–Mar 8
WinchesterDec 9–Dec 30
Summerlin SouthJan 30–Feb 20
FernleyMar 7–Mar 28
MesquiteFeb 2–Feb 23
Sun ValleyMar 17–Apr 7
ElkoApr 17–May 8

Questions

When should I plant onions in Nevada?

In Las Vegas, plant out from December 13 to January 3. Across Nevada the window opens between December 9 and April 17, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–12 weeks before the last frost; plant out 3–6 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Nevada

Onions in other states

Frost dates for every city in Nevada