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When to plant Leeks in Chariton County, MO

In Chariton County, plant Leeks in spring between March 29 and April 19, once soil temps hold above 50°F. Chariton County's last frost averages April 12, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 15 and August 29 — roughly 90–150 days before the first frost on October 24.

When to Plant Leeks in Chariton County, MO

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.

Chariton County, Missouri is in USDA Zone 6a. The average last spring frost is April 12 and the first fall frost is October 24, giving you a growing season of approximately 195 days.

At an elevation of 1,074 feet, Chariton County receives approximately 34.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Leeks during the growing season.

Chariton County, MO (Zone 6a) Moderate season
195 days
Last Spring Frost April 12
195 growing days
First Fall Frost October 24

Chariton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.9

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 1.5" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 3.8" 0.5" 💧 Light watering
Jul 4.3" 3.6" 0.7" 💧 Light watering
Aug 4.3" 3.9" 0.4" 💧 Light watering
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 2.2" 0" ❄️ Dormant
Dec 2.1" 0" ❄️ Dormant

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

Leeks Planting Timeline — Chariton County, MO

Leeks Planting Calendar

Activity When Date Range
Start Indoors March 8 Mar 8 – Mar 22
Transplant Outdoors April 12 Apr 12 – Apr 26
Direct Sow March 29 Mar 29 – Apr 19
Harvest July 12 Jul 12 – Sep 27
Fall Sowing August 15 Aug 15 – Aug 29

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May
June
July Harvest
August Fall Sowing Harvest
September 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 6a

📆 Growing Season

195 days in Chariton County

Growing Tips for Chariton 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 Chariton County, MO?

Chariton County is in Zone 6a with an average last frost of April 12. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chariton County, MO?

Chariton County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 12 and first fall frost is October 24.

When should I plant Leeks in Chariton County, MO?

In Chariton County, MO, plant Leeks after the last frost (around April 12) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Chariton County, MO for Leeks?

Chariton County sits in USDA Zone 6a. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.

Can Leeks grow in Chariton County's climate?

Yes — Leeks grows well in Chariton County's temperate climate. Chariton County averages a 195-day frost-free season, with last frost around April 12 and first frost around October 24.

🌱

Your Chariton County Garden Planner — Free

A 22-page printable planner built for Chariton County (Zone 6a). 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 Chariton County, MO. Local conditions may vary. Last updated: July 2026.

Sources & credits

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