When to Plant Sweet Corn in Red River Parish, LA
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.
Red River Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 8 and the first fall frost is November 16, giving you a growing season of approximately 253 days.
At an elevation of 477 feet, Red River Parish receives approximately 56.4 inches of rainfall annually with predominantly loam soil. Summer highs average 91°F, providing good warmth for Sweet Corn during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Corn root diseases.
Red River Parish Soil Profile
Soil Type
Loam
Soil pH
5.8-7.2
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" | 0" | ❄️ Dormant |
| Feb | — | 4.9" | 0" | ❄️ Dormant |
| Mar | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 6.5" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 4" | 0.3" | 💧 Light watering |
| Oct | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Nov | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Dec | — | 4.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Red River Parish). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Sweet Corn Planting Timeline — Red River Parish, LA
Sweet Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 15 | Mar 15 – Apr 5 |
| Harvest | May 17 | May 17 – Jun 28 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| 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 8a
📆 Growing Season
253 days in Red River Parish
Growing Tips for Red River Parish
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
Check more plant combinations with our Companion Planting Checker →
Sweet Corn in Other Locations
Frequently Asked Questions
When should I plant Sweet Corn in Red River Parish, LA?
Red River Parish is in Zone 8a with an average last frost of March 8. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Red River Parish, LA?
Red River Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 8 and first fall frost is November 16.
Plan Your Garden with Confidence
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