When to plant onions in Mississippi

Plant out in Jackson

Jan 23–Feb 13

Across Mississippi the window opens between January 1 and February 20. Find your city below; the dates follow each town's own average last frost.

Start indoors, Jackson: Dec 12–Jan 9
Plant out, Jackson: Jan 23–Feb 13
Last frost, Jackson: Mar 6

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

JacksonJan 23–Feb 13

GulfportJan 12–Feb 2

SouthavenFeb 2–Feb 23

HattiesburgJan 24–Feb 14

BiloxiJan 1–Jan 22

Olive BranchFeb 12–Mar 5

TupeloFeb 7–Feb 28

MeridianFeb 2–Feb 23

PearlJan 31–Feb 21

MadisonJan 23–Feb 13

OxfordFeb 20–Mar 13

Horn LakeFeb 2–Feb 23

ClintonJan 23–Feb 13

GreenvilleJan 30–Feb 20

BrandonJan 31–Feb 21

StarkvilleFeb 9–Mar 2

RidgelandJan 23–Feb 13

ColumbusJan 30–Feb 20

PascagoulaJan 25–Feb 15

Questions

When should I plant onions in Mississippi?

In Jackson, plant out from January 23 to February 13. Across Mississippi the window opens between January 1 and February 20, 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 Mississippi

Onions in other states

Frost dates for every city in Mississippi