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When to plant Leeks in Lincoln County, ME

Leeks planted in Lincoln County between April 19 and May 10 matures in 90–150 days — well before the October 9 first frost. A second sowing from July 31 to August 14 extends the harvest into fall.

When to Plant Leeks in Lincoln County, ME

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.

Lincoln County, Maine is in USDA Zone 6a. The average last spring frost is May 3 and the first fall frost is October 9, giving you a growing season of approximately 159 days.

At an elevation of 815 feet, Lincoln County receives approximately 50 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Leeks during the growing season.

Lincoln County, ME (Zone 6a) Moderate season
159 days
Last Spring Frost May 3
159 growing days
First Fall Frost October 9

Lincoln County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Leeks Planting Timeline — Lincoln County, ME

Leeks Planting Calendar

Activity When Date Range
Start Indoors March 29 Mar 29 – Apr 12
Transplant Outdoors May 3 May 3 – May 17
Direct Sow April 19 Apr 19 – May 10
Harvest August 2 Aug 2 – Oct 18
Fall Sowing July 31 Jul 31 – Aug 14

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 Fall Sowing
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

159 days in Lincoln County

Growing Tips for Lincoln 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 Lincoln County, ME?

Lincoln County is in Zone 6a with an average last frost of May 3. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lincoln County, ME?

Lincoln County, Maine is in USDA Hardiness Zone 6a. The average last spring frost is May 3 and first fall frost is October 9.

When should I plant Leeks in Lincoln County, ME?

In Lincoln County, ME, plant Leeks after the last frost (around May 3) and before the first frost (around October 9). Best results when soil holds above 50°F.

What growing zone is Lincoln County, ME for Leeks?

Lincoln 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 Lincoln County's climate?

Yes — Leeks grows well in Lincoln County's temperate climate. Lincoln County averages a 159-day frost-free season, with last frost around May 3 and first frost around October 9.

🌱

Your Lincoln County Garden Planner — Free

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

Sources & credits

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