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When to Plant Celeriac in Randolph 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.

Randolph County, West Virginia is in USDA Zone 5b. The average last spring frost is May 8 and the first fall frost is October 12, giving you a growing season of approximately 157 days.

At an elevation of 3,202 feet, Randolph County receives approximately 54.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Celeriac during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celeriac root diseases.

Randolph County, WV (Zone 5b) Moderate season
157 days
Last Spring Frost May 8
157 growing days
First Fall Frost October 12

Randolph County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (20 days to spare)
Start indoors: Mar 25 Transplant: Apr 29 🍅 Harvest: Aug 12 – Sep 16
Recommended (50%) ✓ Fits season (17 days to spare)
Start indoors: Apr 3 Transplant: May 8 🍅 Harvest: Aug 21 – Sep 25
Safe Start (90%) ✓ Fits season (19 days to spare)
Start indoors: Apr 19 Transplant: May 24 🍅 Harvest: Sep 6 – Oct 11

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
1.5″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 62 gal / 100 sq ft
Celeriac needs ~1,678 GDD — county provides 2,394 GDD Excellent fit

Celeriac Planting Timeline โ€” Randolph County, WV

Celeriac Planting Calendar

Activity When Date Range
Start Indoors April 3 Apr 3 โ€“ Apr 17
Transplant Outdoors May 8 May 8 โ€“ May 22
Direct Sow April 24 Apr 24 โ€“ May 15
Fall Sowing August 3 Aug 3 โ€“ Aug 17
Harvest August 21 Aug 21 โ€“ Sep 25

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Start Indoors 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 5b

Growing Season

157 days

Growing Tips for Randolph 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

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Frequently Asked Questions

When should I plant Celeriac in Randolph County, WV?

Randolph County is in Zone 5b with an average last frost of May 8. Plan your Celeriac planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Randolph County, WV?

Randolph County, West Virginia is in USDA Hardiness Zone 5b. The average last spring frost is May 8 and first fall frost is October 12.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Randolph County gardeners in Zone 5b 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 Randolph County, WV. Local conditions may vary. Last updated: April 2026.