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When to Plant Sunchoke in Leflore County, MS

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

Leflore County, Mississippi is in USDA Zone 8a. The average last spring frost is March 8 and the first fall frost is November 15, giving you a growing season of approximately 252 days.

At an elevation of 115 feet, Leflore County receives approximately 58.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94Β°F, providing good warmth for Sunchoke during the growing season. Clay soil retains moisture well for Sunchoke, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sunchoke root diseases.

Leflore County, MS (Zone 8a) Long season
252 days
Last Spring Frost March 8
252 growing days
First Fall Frost November 15

Leflore County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.4

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 β€” 4.3" 0" ❄️ Dormant
Feb β€” 4.7" 0" ❄️ Dormant
Mar 4.3" 6" 0" βœ… Rainfall sufficient
Apr 4.3" 5" 0" βœ… Rainfall sufficient
May 4.3" 4.7" 0" βœ… Rainfall sufficient
Jun 4.3" 5.6" 0" βœ… Rainfall sufficient
Jul 4.3" 5.8" 0" βœ… Rainfall sufficient
Aug 4.3" 5.2" 0" βœ… Rainfall sufficient
Sep 4.3" 4.8" 0" βœ… Rainfall sufficient
Oct 4.3" 3.8" 0.5" πŸ’§ Light watering
Nov 4.3" 4.2" 0.1" πŸ’§ Light watering
Dec β€” 4.3" 0" ❄️ Dormant

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

Sunchoke Planting Timeline β€” Leflore County, MS

Sunchoke Planting Calendar

Activity When Date Range
Transplant Outdoors March 22 Mar 22 – Apr 5
Harvest July 12 Jul 12 – Sep 6

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

110–150 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

252 days in Leflore County

Growing Tips for Leflore 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 Leflore County, MS?

Leflore County is in Zone 8a with an average last frost of March 8. Plan your Sunchoke planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Leflore County, MS?

Leflore County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 8 and first fall frost is November 15.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Leflore County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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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 Leflore County, MS. Local conditions may vary. Last updated: April 2026.