FrostCal

When to Plant Onions in Arkansas

In a typical Arkansas location, start seeds indoors Jan 14 – Jan 28, then transplant outdoors Feb 25 – Mar 11. Across the state, the outdoor planting window starts as early as Feb 13 in Texarkana and as late as Mar 15 in Centerton.

Method Start indoors, then transplant
Days to maturity 90–120 days

Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings.

Onions Planting Dates by City

CityStart indoorsTransplant
Little RockJan 10 – Jan 24Feb 21 – Mar 7
Fort SmithJan 14 – Jan 28Feb 25 – Mar 11
FayettevilleJan 24 – Feb 7Mar 7 – Mar 21
SpringdaleJan 24 – Feb 7Mar 7 – Mar 21
JonesboroJan 21 – Feb 4Mar 4 – Mar 18
North Little RockJan 10 – Jan 24Feb 21 – Mar 7
ConwayJan 22 – Feb 5Mar 5 – Mar 19
RogersFeb 1 – Feb 15Mar 15 – Mar 29
Pine BluffJan 3 – Jan 17Feb 14 – Feb 28
BentonvilleFeb 1 – Feb 15Mar 15 – Mar 29
Hot SpringsJan 8 – Jan 22Feb 19 – Mar 5
BentonJan 13 – Jan 27Feb 24 – Mar 10
SherwoodJan 5 – Jan 19Feb 16 – Mar 2
TexarkanaJan 2 – Jan 16Feb 13 – Feb 27
RussellvilleJan 18 – Feb 1Mar 1 – Mar 15
JacksonvilleJan 5 – Jan 19Feb 16 – Mar 2
Bella VistaJan 25 – Feb 8Mar 8 – Mar 22
ParagouldJan 15 – Jan 29Feb 26 – Mar 12
CabotJan 24 – Feb 7Mar 7 – Mar 21
West MemphisJan 8 – Jan 22Feb 19 – Mar 5
SearcyJan 16 – Jan 30Feb 27 – Mar 13
Van BurenJan 14 – Jan 28Feb 25 – Mar 11
BryantJan 13 – Jan 27Feb 24 – Mar 10
El DoradoJan 13 – Jan 27Feb 24 – Mar 10
MaumelleJan 21 – Feb 4Mar 4 – Mar 18
Siloam SpringsJan 20 – Feb 3Mar 3 – Mar 17
BlythevilleJan 7 – Jan 21Feb 18 – Mar 4
Forrest CityJan 12 – Jan 26Feb 23 – Mar 9
HarrisonJan 11 – Jan 25Feb 22 – Mar 8
Hot Springs VillageJan 8 – Jan 22Feb 19 – Mar 5

Showing the 30 most populous of 43 Arkansas cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Arkansas cities.

Frequently Asked Questions

When should I plant onions in Arkansas?

In a typical Arkansas location, start seeds indoors Jan 14 – Jan 28, then transplant outdoors Feb 25 – Mar 11. Across the state, the outdoor planting window starts as early as Feb 13 in Texarkana and as late as Mar 15 in Centerton.

When is the last frost in Arkansas?

The average last spring frost in Arkansas ranges from March 13 in Texarkana to April 12 in Centerton, based on NOAA 1991–2020 climate normals.

How long do onions take to grow?

Onions typically take 90–120 days from planting to harvest. Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings.

Other Crops in Arkansas

When to plant onions in other states

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