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When to plant Leeks in Howard County County,

The best window to plant Leeks in Howard County County, is March 17–April 7, when soil warms to 50°F. Last frost typically hits March 31; first frost November 3. A second sowing from August 25 to September 8 extends the harvest into fall.

When to Plant Leeks in Howard County, AR

Leeks

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.

Howard County, Arkansas is in USDA Zone 8a. The average last spring frost is March 31 and the first fall frost is November 3, giving you a growing season of approximately 217 days.

At an elevation of 537 feet, Howard County receives approximately 50.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Leeks during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.

Howard County, AR (Zone 8a) Long season
217 days
Last Spring Frost March 31
217 growing days
First Fall Frost November 3

Howard County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

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 4.4" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 4.3" 5.1" 0" ✅ Rainfall sufficient
Apr 4.3" 3.6" 0.7" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.5" 0" ✅ Rainfall sufficient
Jul 4.3" 6.1" 0" ✅ Rainfall sufficient
Aug 4.3" 5.2" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 4.3" 3.7" 0.6" 💧 Light watering
Dec 4" 0" ❄️ Dormant

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

Leeks Planting Timeline — Howard County, AR

Leeks Planting Calendar

Activity When Date Range
Start Indoors February 24 Feb 24 – Mar 10
Transplant Outdoors March 31 Mar 31 – Apr 14
Direct Sow March 17 Mar 17 – Apr 7
Harvest June 30 Jun 30 – Sep 15
Fall Sowing August 25 Aug 25 – Sep 8

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–150 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

217 days in Howard County

Growing Tips for Howard 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 Howard County, AR?

Howard County is in Zone 8a with an average last frost of March 31. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.

What planting zone is Howard County, AR?

Howard County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 31 and first fall frost is November 3.

When should I plant Leeks in Howard County County, ?

In Howard County County, , plant Leeks after the last frost (around March 31) and before the first frost (around November 3). Best results when soil holds above 50°F.

What growing zone is Howard County County, for Leeks?

Howard County County sits in USDA Zone 8a. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.

Can Leeks grow in Howard County County's climate?

Yes — Leeks grows well in Howard County County's temperate climate. Howard County County averages a 217-day frost-free season, with last frost around March 31 and first frost around November 3.

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Your Howard County Garden Planner — Free

A 22-page printable planner built for Howard 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 Howard County, AR. Local conditions may vary. Last updated: June 2026.

Sources & credits

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