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When to Plant Leeks in Wilson County, NC

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.

Wilson County, North Carolina is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 6, giving you a growing season of approximately 223 days.

At an elevation of 878 feet, Wilson County receives approximately 45.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89Β°F, providing good warmth for Leeks during the growing season. Clay soil retains moisture well for Leeks, but amend with compost to improve drainage and prevent root rot.

Wilson County, NC (Zone 7b) Long season
223 days
Last Spring Frost March 28
223 growing days
First Fall Frost November 6

Wilson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.2-6.7

Drainage

Well Drained

Monthly Watering Guide for Leeks

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

Month Leeks Needs Rainfall You Supplement Action
Jan β€” 3.4" 0" ❄️ Dormant
Feb β€” 3.4" 0" ❄️ Dormant
Mar 4.3" 4.1" 0.2" πŸ’§ Light watering
Apr 4.3" 3.3" 1" πŸ’§ Light watering
May 4.3" 3.5" 0.8" πŸ’§ Light watering
Jun 4.3" 4.7" 0" βœ… Rainfall sufficient
Jul 4.3" 5.4" 0" βœ… Rainfall sufficient
Aug 4.3" 3.9" 0.4" πŸ’§ Light watering
Sep 4.3" 3.1" 1.2" πŸ’§ Light watering
Oct 4.3" 3.2" 1.1" πŸ’§ Light watering
Nov 4.3" 3.9" 0.4" πŸ’§ Light watering
Dec β€” 3.3" 0" ❄️ Dormant

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

Leeks Planting Timeline β€” Wilson County, NC

Leeks Planting Calendar

Activity When Date Range
Start Indoors February 21 Feb 21 – Mar 7
Transplant Outdoors March 28 Mar 28 – Apr 11
Direct Sow March 14 Mar 14 – Apr 4
Harvest June 27 Jun 27 – Sep 12
Fall Sowing August 28 Aug 28 – Sep 11

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

90–150 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

223 days in Wilson County

Growing Tips for Wilson 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Leeks in Wilson County, NC?

Wilson County is in Zone 7b with an average last frost of March 28. Plan your Leeks planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Wilson County, NC?

Wilson County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 6.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Wilson County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

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