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When to Plant Sweet Corn in Brevard County, FL

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.

Brevard County, Florida is in USDA Zone 9b. The average last spring frost is January 19 and the first fall frost is December 20, giving you a growing season of approximately 335 days.

At an elevation of 491 feet, Brevard County receives approximately 52.7 inches of rainfall annually with predominantly sand soil. Summer highs average 104Β°F, so Sweet Corn may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Sweet Corn will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Corn root diseases.

Brevard County, FL (Zone 9b) Year-round
335 days
Last Spring Frost January 19
335 growing days
First Fall Frost December 20

Brevard County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.9

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 4.3" 2.2" 2.1" πŸ’§ Light watering
Feb 4.3" 3.1" 1.2" πŸ’§ Light watering
Mar 4.3" 3.5" 0.8" πŸ’§ Light watering
Apr 4.3" 2.5" 1.8" πŸ’§ Light watering
May 4.3" 3.8" 0.5" πŸ’§ Light watering
Jun 4.3" 7.5" 0" βœ… Rainfall sufficient
Jul 4.3" 6.6" 0" βœ… Rainfall sufficient
Aug 4.3" 6.8" 0" βœ… Rainfall sufficient
Sep 4.3" 7.6" 0" βœ… Rainfall sufficient
Oct 4.3" 5" 0" βœ… Rainfall sufficient
Nov 4.3" 1.9" 2.4" 🚿 Regular watering
Dec 4.3" 2.3" 2" πŸ’§ Light watering

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

Sweet Corn Planting Timeline β€” Brevard County, FL

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow January 26 Jan 26 – Feb 16
Harvest March 30 Mar 30 – May 11

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

Month-by-Month Timeline

MonthActivities
January Direct Sow
February Direct Sow
March Harvest
April Harvest
May Harvest
June β€”
July β€”
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 9b

πŸ“† Growing Season

335 days in Brevard County

Growing Tips for Brevard 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 Brevard County, FL?

Brevard County is in Zone 9b with an average last frost of January 19. Plan your Sweet Corn planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Brevard County, FL?

Brevard County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 19 and first fall frost is December 20.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Brevard County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

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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 Brevard County, FL. Local conditions may vary. Last updated: April 2026.