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When to plant onion in Arkansas

Arkansas spans USDA zones 7a–8b, so the right time to plant onion shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 13 in Texarkana to March 15 in Rogers — below are local dates for 39 cities, each computed from its own frost dates.

In Little Rockthe onion transplant out window (February 21–March 7) has passed for this year.
CityZoneLast frostFirst frostTransplant out
Little Rock8aMarch 21November 10February 21 – March 7
Fayetteville7aApril 4October 31March 7 – March 21
Fort Smith8aMarch 25November 6February 25 – March 11
Springdale7aApril 4October 31March 7 – March 21
Jonesboro7bMarch 23November 9February 23 – March 9
Rogers7aApril 12October 26March 15 – March 29
Conway8aApril 2November 2March 5 – March 19
North Little Rock8aMarch 21November 10February 21 – March 7

Onion in Arkansas: FAQ

When can I plant onion in Arkansas?

Across Arkansas, the time to transplant onion spans roughly February 13 in Texarkana to March 15 in Rogers, each following that city's local frost dates.

Does the onion planting date vary across Arkansas?

Yes. Arkansas publishes 39 cities with their own frost dates, so the right onion planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

How long does onion take to grow in Arkansas?

Onion takes about 90–110 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

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An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.

Onion planting guide →All Arkansas cities →Arkansas planting calendar →
When to Plant Onion in Arkansas — Frost-Based Dates by City — BlissGarden