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When to plant Sunchoke in Chicot County, AR

Chicot County's short 243-day growing season means one Sunchoke planting between March 28 and April 11. No fall crop in Zone 8b.

When to Plant Sunchoke in Chicot County, AR

Sunchokes (Jerusalem artichokes) are a native sunflower relative grown for their knobby, nutty-flavored tubers. They are extremely productive and nearly impossible to eradicate.

Chicot County, Arkansas is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 12, giving you a growing season of approximately 243 days.

At an elevation of 1,421 feet, Chicot County receives approximately 54 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Sunchoke during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sunchoke root diseases.

Chicot County, AR (Zone 8b) Long season
243 days
Last Spring Frost March 14
243 growing days
First Fall Frost November 12

Chicot County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sunchoke Planting Timeline — Chicot County, AR

Sunchoke Planting Calendar

Activity When Date Range
Transplant Outdoors March 28 Mar 28 – Apr 11
Harvest July 18 Jul 18 – Sep 12

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May
June
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

110–150 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

243 days in Chicot County

Growing Tips for Chicot County

Plant tubers 4 inches deep in early spring. Contain plants with barriers as they spread aggressively. Harvest after frost or leave in ground and dig as needed through winter.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sunchoke in Chicot County, AR?

Chicot County is in Zone 8b with an average last frost of March 14. Plan your Sunchoke planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chicot County, AR?

Chicot County, Arkansas is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 12.

When should I plant Sunchoke in Chicot County, AR?

In Chicot County, AR, plant Sunchoke after the last frost (around March 14) and before the first frost (around November 12). Best results when soil holds above 50°F.

What growing zone is Chicot County, AR for Sunchoke?

Chicot County sits in USDA Zone 8b. Sunchoke grows reliably in zones 3a through 9b, so it's a good fit here.

Can Sunchoke grow in Chicot County's climate?

Yes — Sunchoke grows well in Chicot County's temperate climate. Chicot County averages a 243-day frost-free season, with last frost around March 14 and first frost around November 12.

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Your Chicot County Garden Planner — Free

A 22-page printable planner built for Chicot County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Chicot County, AR. Local conditions may vary. Last updated: June 2026.

Sources & credits

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