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When to plant Leeks in Midland County, MI

Aim to plant Leeks in Midland County on or after April 20; the window stays open through May 11. Midland County's 162-day frost-free season gives you a single solid spring crop with a brief fall option. A second sowing from August 4 to August 18 extends the harvest into fall.

When to Plant Leeks in Midland County, MI

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.

Midland County, Michigan is in USDA Zone 6a. The average last spring frost is May 4 and the first fall frost is October 13, giving you a growing season of approximately 162 days.

At an elevation of 810 feet, Midland County receives approximately 37.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Leeks during the growing season.

Midland County, MI (Zone 6a) Moderate season
162 days
Last Spring Frost May 4
162 growing days
First Fall Frost October 13

Midland County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Leeks Planting Timeline — Midland County, MI

Leeks Planting Calendar

Activity When Date Range
Start Indoors March 30 Mar 30 – Apr 13
Transplant Outdoors May 4 May 4 – May 18
Direct Sow April 20 Apr 20 – May 11
Harvest August 3 Aug 3 – Oct 19
Fall Sowing August 4 Aug 4 – Aug 18

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

Month-by-Month Timeline

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

162 days in Midland County

Growing Tips for Midland 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 Midland County, MI?

Midland County is in Zone 6a with an average last frost of May 4. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.

What planting zone is Midland County, MI?

Midland County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 4 and first fall frost is October 13.

When should I plant Leeks in Midland County, MI?

In Midland County, MI, plant Leeks after the last frost (around May 4) and before the first frost (around October 13). Best results when soil holds above 50°F.

What growing zone is Midland County, MI for Leeks?

Midland 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 Midland County's climate?

Yes — Leeks grows well in Midland County's temperate climate. Midland County averages a 162-day frost-free season, with last frost around May 4 and first frost around October 13.

🌱

Your Midland County Garden Planner — Free

A 22-page printable planner built for Midland 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 Midland County, MI. Local conditions may vary. Last updated: August 2026.

Sources & credits

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