When to Plant Sweet Corn in Val Verde County, TX
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.
Val Verde County, Texas is in USDA Zone 8a. The average last spring frost is February 17 and the first fall frost is December 7, giving you a growing season of approximately 293 days.
At an elevation of 3,979 feet, Val Verde County receives approximately 53.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98°F, so Sweet Corn may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — 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.
Val Verde County Soil Profile
Soil Type
Sandy Loam
Soil pH
7.7-8.1
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Sweet Corn Planting Timeline — Val Verde County, TX
Sweet Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | February 24 | Feb 24 – Mar 17 |
| Harvest | April 28 | Apr 28 – Jun 9 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Direct Sow |
| March | Direct Sow |
| April | Harvest |
| 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
6 – 7
USDA Zone
Zone 8a
Growing Season
293 days
Growing Tips for Val Verde 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
Level Up Your Garden
Sweet Corn in Other Locations
Frequently Asked Questions
When should I plant Sweet Corn in Val Verde County, TX?
Val Verde County is in Zone 8a with an average last frost of February 17. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Val Verde County, TX?
Val Verde County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is February 17 and first fall frost is December 7.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Val Verde County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
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