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When to plant Sweet Corn in Hancock County, ME

Hancock County gardeners should plant Sweet Corn between May 13 and June 3 in spring. With Hancock County's Zone 6a climate (last frost May 6), Sweet Corn needs 60–90 days to mature — plant by July 13 for a full harvest.

When to Plant Sweet Corn in Hancock County, ME

Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.

Hancock County, Maine is in USDA Zone 6a. The average last spring frost is May 6 and the first fall frost is October 11, giving you a growing season of approximately 158 days.

At an elevation of 654 feet, Hancock County receives approximately 45.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Sweet Corn during the growing season.

Hancock County, ME (Zone 6a) Moderate season
158 days
Last Spring Frost May 6
158 growing days
First Fall Frost October 11

Hancock County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.6

Drainage

Well Drained

Monthly Watering Guide for Sweet Corn

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

Month Sweet Corn Needs Rainfall You Supplement Action
Jan 3.4" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 3.3" 0" ❄️ Dormant
Apr 4.1" 0" ❄️ Dormant
May 4.3" 4.2" 0.1" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.2" 0.1" 💧 Light watering
Sep 4.3" 4.4" 0" ✅ Rainfall sufficient
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 3.3" 0" ❄️ Dormant
Dec 3.2" 0" ❄️ Dormant

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

Sweet Corn Planting Timeline — Hancock County, ME

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow May 13 May 13 – Jun 3
Harvest July 15 Jul 15 – Aug 26

Plant 1" deep · 12" apart · Rows 36" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June Direct Sow
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

158 days in Hancock County

Growing Tips for Hancock County

Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Corn in Hancock County, ME?

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

What planting zone is Hancock County, ME?

Hancock County, Maine is in USDA Hardiness Zone 6a. The average last spring frost is May 6 and first fall frost is October 11.

When should I plant Sweet Corn in Hancock County, ME?

In Hancock County, ME, plant Sweet Corn after the last frost (around May 6) and before the first frost (around October 11). Best results when soil holds above 50°F.

What growing zone is Hancock County, ME for Sweet Corn?

Hancock County sits in USDA Zone 6a. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Sweet Corn grow in Hancock County's climate?

Yes — Sweet Corn grows well in Hancock County's temperate climate. Hancock County averages a 158-day frost-free season, with last frost around May 6 and first frost around October 11.

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Your Hancock County Garden Planner — Free

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

Sources & credits

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