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When to Plant Corn in Texas County, OK

Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.

Texas County, Oklahoma is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 20, giving you a growing season of approximately 187 days.

At an elevation of 870 feet, Texas County receives approximately 20.3 inches of rainfall annually with predominantly loam soil. Summer highs average 89ยฐF, providing good warmth for Corn during the growing season.

Texas County, OK (Zone 6b) Moderate season
187 days
Last Spring Frost April 16
187 growing days
First Fall Frost October 20

Texas County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (67 days to spare)
Transplant: Apr 12 🍅 Harvest: Jun 14 – Aug 9
Recommended (50%) ✓ Fits season (68 days to spare)
Transplant: Apr 16 🍅 Harvest: Jun 18 – Aug 13
Safe Start (90%) ✓ Fits season (67 days to spare)
Transplant: May 2 🍅 Harvest: Jul 4 – Aug 29

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.

Soil Compatibility in Texas County

How your county's soil matches Corn's growing requirements.

Soil pH

Your soil pH (6.5โ€“7.8) is more alkaline than Corn prefers (6.0โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Texas County is excellent for Corn โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.1%) โ€” Corn will thrive.

How to Plant Corn

1"
Planting Depth
12"
Between Plants
36"
Between Rows

Succession Planting Corn

3
successive plantings in your 187-day season

Sow every 6.9 weeks. Last sowing by Jul 12 to harvest before frost.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.5″/week
You supply
1.3″/week
Watering frequency 2-3 times/week
Season total 2,085 gal / 100 sq ft
Drought risk

Water stress score is 10/10 โ€” consider drought-tolerant varieties and mulching

Corn needs ~1,340 GDD — county provides 3,132 GDD Excellent fit

Corn Planting Timeline โ€” Texas County, OK

Corn Planting Calendar

Activity When Date Range
Direct Sow April 23 Apr 23 โ€“ May 14
Harvest June 25 Jun 25 โ€“ Aug 20

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1.5"/week ยท 2-3 times/week

๐Ÿ“… Days to Maturity

60โ€“100 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 6b

๐Ÿ“† Growing Season

187 days in Texas County

Growing Tips for Corn in Texas County

Direct sow Corn outdoors after April 16 in Texas County when soil has warmed and frost danger has passed.

Common pests for Corn in this region include corn earworm and corn borers. Use row covers early in the season and inspect plants weekly.

Texas County receives only 20" of rain annually. Corn needs consistent moisture โ€” install drip irrigation or water deeply 2-3 times per week.

General growing tips

Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Celery

Level Up Your Garden

Frequently Asked Questions

When should I plant Corn in Texas County, OK?

Texas County is in Zone 6b with an average last frost of April 16. Plan your Corn planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Texas County, OK?

Texas County, Oklahoma is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 20.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Texas County gardeners in Zone 6b 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 Texas County, OK. Local conditions may vary. Last updated: April 2026.