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When to Plant Parsnip in Jefferson County, WV

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.

Jefferson County, West Virginia is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 23, giving you a growing season of approximately 186 days.

At an elevation of 3,548 feet, Jefferson County receives approximately 48 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Parsnip during the growing season.

Jefferson County, WV (Zone 6b) Moderate season
186 days
Last Spring Frost April 20
186 growing days
First Fall Frost October 23

Jefferson County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (40 days to spare)
Transplant: Apr 13 🍅 Harvest: Jul 27 – Sep 7
Recommended (50%) ✓ Fits season (39 days to spare)
Transplant: Apr 20 🍅 Harvest: Aug 3 – Sep 14
Safe Start (90%) ✓ Fits season (29 days to spare)
Transplant: May 11 🍅 Harvest: Aug 24 – Oct 5

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Parsnip needs ~2,099 GDD — county provides 3,394 GDD Excellent fit

Parsnip Planting Timeline โ€” Jefferson County, WV

Parsnip Planting Calendar

Activity When Date Range
Direct Sow April 6 Apr 6 โ€“ Apr 27
Fall Sowing August 14 Aug 14 โ€“ Aug 28
Harvest July 20 Jul 20 โ€“ Aug 31

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Direct Sow
May โ€”
June โ€”
July Harvest
August Fall Sowing Harvest
September โ€”
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 6b

Growing Season

186 days

Growing Tips for Jefferson 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 Jefferson County, WV?

Jefferson County is in Zone 6b with an average last frost of April 20. Plan your Parsnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Jefferson County, WV?

Jefferson County, West Virginia is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 23.

๐ŸŒฑ

Plan Your Garden with Confidence

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