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When to Plant Parsnip in Zavala 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.

Zavala County, Texas is in USDA Zone 8b. The average last spring frost is February 26 and the first fall frost is November 29, giving you a growing season of approximately 276 days.

At an elevation of 4,905 feet, Zavala County receives approximately 59.7 inches of rainfall annually with predominantly loam soil. Summer highs average 93ยฐF, providing good warmth for Parsnip during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Parsnip root diseases.

Zavala County, TX (Zone 8b) Year-round
276 days
Last Spring Frost February 26
276 growing days
First Fall Frost November 29

Zavala County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (135 days to spare)
Transplant: Feb 12 🍅 Harvest: May 28 – Jul 9
Recommended (50%) ✓ Fits season (129 days to spare)
Transplant: Feb 26 🍅 Harvest: Jun 11 – Jul 23
Safe Start (90%) ✓ Fits season (121 days to spare)
Transplant: Mar 23 🍅 Harvest: Jul 6 – Aug 17

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 234 gal / 100 sq ft
Parsnip needs ~2,271 GDD — county provides 5,470 GDD Excellent fit

Parsnip Planting Timeline โ€” Zavala County, TX

Parsnip Planting Calendar

Activity When Date Range
Direct Sow February 12 Feb 12 โ€“ Mar 5
Fall Sowing September 20 Sep 20 โ€“ Oct 4
Harvest May 28 May 28 โ€“ Jul 9

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Direct Sow
March Direct Sow
April โ€”
May Harvest
June Harvest
July Harvest
August โ€”
September Fall Sowing
October Fall Sowing
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 8b

Growing Season

276 days

Growing Tips for Zavala 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Parsnip in Zavala County, TX?

Zavala County is in Zone 8b with an average last frost of February 26. Plan your Parsnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Zavala County, TX?

Zavala County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 26 and first fall frost is November 29.

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Plan Your Garden with Confidence

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