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When to Plant Sweet Corn in Elmore County, AL

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.

Elmore County, Alabama is in USDA Zone 7b. The average last spring frost is March 15 and the first fall frost is November 8, giving you a growing season of approximately 238 days.

At an elevation of 397 feet, Elmore County receives approximately 49.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91Β°F, providing good warmth for Sweet Corn during the growing season. Clay soil retains moisture well for Sweet Corn, but amend with compost to improve drainage and prevent root rot.

Elmore County, AL (Zone 7b) Long season
238 days
Last Spring Frost March 15
238 growing days
First Fall Frost November 8

Elmore County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.7

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 β€” 4.1" 0" ❄️ Dormant
Feb β€” 4.4" 0" ❄️ Dormant
Mar 4.3" 5.3" 0" βœ… Rainfall sufficient
Apr 4.3" 3.2" 1.1" πŸ’§ Light watering
May 4.3" 3.7" 0.6" πŸ’§ Light watering
Jun 4.3" 3.9" 0.4" πŸ’§ Light watering
Jul 4.3" 5.7" 0" βœ… Rainfall sufficient
Aug 4.3" 4.8" 0" βœ… Rainfall sufficient
Sep 4.3" 3.6" 0.7" πŸ’§ Light watering
Oct 4.3" 3.3" 1" πŸ’§ Light watering
Nov 4.3" 4.3" 0" βœ… Rainfall sufficient
Dec β€” 3.4" 0" ❄️ Dormant

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

Sweet Corn Planting Timeline β€” Elmore County, AL

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow March 22 Mar 22 – Apr 12
Harvest May 24 May 24 – Jul 5

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

238 days in Elmore County

Growing Tips for Elmore 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 Elmore County, AL?

Elmore County is in Zone 7b with an average last frost of March 15. Plan your Sweet Corn planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Elmore County, AL?

Elmore County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 15 and first fall frost is November 8.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Elmore County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Elmore County, AL. Local conditions may vary. Last updated: April 2026.