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When to plant Sunchoke in Monroe County, AR

Monroe County's 244-day season only supports one Sunchoke planting per year. Sow between March 28 and April 11 for the best chance at full maturity before November 13.

When to Plant Sunchoke in Monroe 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.

Monroe County, Arkansas is in USDA Zone 8a. The average last spring frost is March 14 and the first fall frost is November 13, giving you a growing season of approximately 244 days.

At an elevation of 1,042 feet, Monroe County receives approximately 49.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Sunchoke during the growing season.

Monroe County, AR (Zone 8a) Long season
244 days
Last Spring Frost March 14
244 growing days
First Fall Frost November 13

Monroe County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.8

Drainage

Well Drained

Monthly Watering Guide for Sunchoke

Sunchoke needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Sunchoke Needs Rainfall You Supplement Action
Jan 3.9" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 3.7" 0.6" 💧 Light watering
May 4.3" 3.5" 0.8" 💧 Light watering
Jun 4.3" 5.1" 0" ✅ Rainfall sufficient
Jul 4.3" 5.9" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 3.7" 0.6" 💧 Light watering
Nov 4.3" 3.6" 0.7" 💧 Light watering
Dec 3.6" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Monroe County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Sunchoke Planting Timeline — Monroe 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 8a

📆 Growing Season

244 days in Monroe County

Growing Tips for Monroe 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 Monroe County, AR?

Monroe County is in Zone 8a 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 Monroe County, AR?

Monroe County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 14 and first fall frost is November 13.

When should I plant Sunchoke in Monroe County, AR?

In Monroe County, AR, plant Sunchoke after the last frost (around March 14) and before the first frost (around November 13). Best results when soil holds above 50°F.

What growing zone is Monroe County, AR for Sunchoke?

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

Can Sunchoke grow in Monroe County's climate?

Yes — Sunchoke grows well in Monroe County's temperate climate. Monroe County averages a 244-day frost-free season, with last frost around March 14 and first frost around November 13.

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Your Monroe County Garden Planner — Free

A 22-page printable planner built for Monroe County (Zone 8a). 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 Monroe County, AR. Local conditions may vary. Last updated: June 2026.

Sources & credits

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