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When to Plant Celeriac in Lewis County, WV

Celeriac is a celery relative grown for its knobby, flavorful root rather than its stalks. It has a rich celery flavor and is excellent roasted, mashed, or in soups.

Lewis County, West Virginia is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 19, giving you a growing season of approximately 177 days.

At an elevation of 1,274 feet, Lewis County receives approximately 46.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Celeriac during the growing season.

Lewis County, WV (Zone 6a) Moderate season
177 days
Last Spring Frost April 25
177 growing days
First Fall Frost October 19

Lewis County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (39 days to spare)
Start indoors: Mar 15 Transplant: Apr 19 🍅 Harvest: Aug 2 – Sep 6
Recommended (50%) ✓ Fits season (37 days to spare)
Start indoors: Mar 21 Transplant: Apr 25 🍅 Harvest: Aug 8 – Sep 12
Safe Start (90%) ✓ Fits season (31 days to spare)
Start indoors: Apr 10 Transplant: May 15 🍅 Harvest: Aug 28 – Oct 2

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
1.5″/week
Rainfall provides
1.1″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 621 gal / 100 sq ft
Celeriac needs ~2,008 GDD — county provides 3,230 GDD Excellent fit

Celeriac Planting Timeline โ€” Lewis County, WV

Celeriac Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 โ€“ Apr 4
Transplant Outdoors April 25 Apr 25 โ€“ May 9
Direct Sow April 11 Apr 11 โ€“ May 2
Fall Sowing August 10 Aug 10 โ€“ Aug 24
Harvest August 8 Aug 8 โ€“ Sep 12

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

100โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6a

Growing Season

177 days

Growing Tips for Lewis County

Start seeds indoors 10-12 weeks before last frost. Remove side roots as they develop to encourage a single large bulb. Harvest after a light frost for best flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Parsnip

Level Up Your Garden

Frequently Asked Questions

When should I plant Celeriac in Lewis County, WV?

Lewis County is in Zone 6a with an average last frost of April 25. Plan your Celeriac planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lewis County, WV?

Lewis County, West Virginia is in USDA Hardiness Zone 6a. The average last spring frost is April 25 and first fall frost is October 19.

๐ŸŒฑ

Plan Your Garden with Confidence

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