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When to Plant Leeks in Logan County, AR

Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.

Logan County, Arkansas is in USDA Zone 7a. The average last spring frost is April 1 and the first fall frost is October 31, giving you a growing season of approximately 213 days.

At an elevation of 695 feet, Logan County receives approximately 46 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89ยฐF, providing good warmth for Leeks during the growing season.

Logan County, AR (Zone 7a) Long season
213 days
Last Spring Frost April 1
213 growing days
First Fall Frost October 31

Logan County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (47 days to spare)
Start indoors: Feb 18 Transplant: Mar 25 🍅 Harvest: Jun 24 – Sep 9
Recommended (50%) ✓ Fits season (45 days to spare)
Start indoors: Feb 25 Transplant: Apr 1 🍅 Harvest: Jul 1 – Sep 16
Safe Start (90%) ✓ Fits season (54 days to spare)
Start indoors: Mar 11 Transplant: Apr 15 🍅 Harvest: Jul 15 – Sep 30

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 176 gal / 100 sq ft
Leeks needs ~2,010 GDD — county provides 3,567 GDD Excellent fit

Leeks Planting Timeline โ€” Logan County, AR

Leeks Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 โ€“ Mar 11
Transplant Outdoors April 1 Apr 1 โ€“ Apr 15
Direct Sow March 18 Mar 18 โ€“ Apr 8
Fall Sowing August 22 Aug 22 โ€“ Sep 5
Harvest July 1 Jul 1 โ€“ Sep 16

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June โ€”
July Harvest
August Fall Sowing Harvest
September Fall Sowing Harvest
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“150 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7a

Growing Season

213 days

Growing Tips for Logan County

Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Level Up Your Garden

Frequently Asked Questions

When should I plant Leeks in Logan County, AR?

Logan County is in Zone 7a with an average last frost of April 1. Plan your Leeks planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Logan County, AR?

Logan County, Arkansas is in USDA Hardiness Zone 7a. The average last spring frost is April 1 and first fall frost is October 31.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Logan County gardeners in Zone 7a 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 Logan County, AR. Local conditions may vary. Last updated: April 2026.