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When to Plant Onions in Arkansas

Arkansas spans USDA hardiness 7a to 8b (zones 7a to 8b on this page). Plant onions by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 7a · Zone 7b · Zone 8a · Zone 8b

Onions planting calendar for Arkansas, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

🌿

Direct sow

Jan 21

🌾

Projected first harvest

May 11

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a (approximate)

Most onions mature in about 90 to 110 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Onions planting calendar for Arkansas, Zone 7b

Average last spring frost

April 10

Average first fall frost

October 30

🌿

Direct sow

Jan 16

🌾

Projected first harvest

May 6

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7b (approximate)

Most onions mature in about 90 to 110 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Onions planting calendar for Arkansas, Zone 8a

Average last spring frost

April 1

Average first fall frost

November 10

🌿

Direct sow

Jan 7

🌾

Projected first harvest

Apr 27

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8a (approximate)

Most onions mature in about 90 to 110 days depending on the variety. Full zone 8 guide (both 8a and 8b) →

Onions planting calendar for Arkansas, Zone 8b

Average last spring frost

March 20

Average first fall frost

November 20

🌿

Direct sow

Dec 26

🌾

Projected first harvest

Apr 15

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8b (approximate)

Most onions mature in about 90 to 110 days depending on the variety. Full zone 8 guide (both 8a and 8b) →

Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.

🌱 Grow onions with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

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onions — full zone guide