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When to Plant Parsnip in Coke County, TX

Parsnips are a sweet, nutty root vegetable that develops best flavor after exposure to frost. They require a long growing season but reward patient gardeners.

Coke County, Texas is in USDA Zone 7b. The average last spring frost is March 24 and the first fall frost is November 12, giving you a growing season of approximately 233 days.

At an elevation of 3,031 feet, Coke County receives approximately 52.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Parsnip may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Parsnip will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Parsnip root diseases.

Coke County, TX (Zone 7b) Long season
233 days
Last Spring Frost March 24
233 growing days
First Fall Frost November 12

Coke County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.5-8.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (85 days to spare)
Transplant: Mar 16 🍅 Harvest: Jun 29 – Aug 10
Recommended (50%) ✓ Fits season (86 days to spare)
Transplant: Mar 24 🍅 Harvest: Jul 7 – Aug 18
Safe Start (90%) ✓ Fits season (79 days to spare)
Transplant: Apr 14 🍅 Harvest: Jul 28 – Sep 8

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

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 151 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Parsnip needs ~2,530 GDD — county provides 5,126 GDD Excellent fit

Parsnip Planting Timeline โ€” Coke County, TX

Parsnip Planting Calendar

Activity When Date Range
Direct Sow March 10 Mar 10 โ€“ Mar 31
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest June 23 Jun 23 โ€“ Aug 4

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

100โ€“130 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

233 days

Growing Tips for Coke County

Use only fresh seed as parsnip seed viability declines rapidly. Sow directly in spring in deeply worked soil. Leave roots in the ground through winter for sweetest flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Celery

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Frequently Asked Questions

When should I plant Parsnip in Coke County, TX?

Coke County is in Zone 7b with an average last frost of March 24. Plan your Parsnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Coke County, TX?

Coke County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 24 and first fall frost is November 12.

๐ŸŒฑ

Plan Your Garden with Confidence

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

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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 Coke County, TX. Local conditions may vary. Last updated: April 2026.