Blog

When to Plant Celeriac in Luzerne County, PA

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.

Luzerne County, Pennsylvania is in USDA Zone 6b. The average last spring frost is April 28 and the first fall frost is October 17, giving you a growing season of approximately 172 days.

At an elevation of 701 feet, Luzerne County receives approximately 44.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Celeriac during the growing season.

Luzerne County, PA (Zone 6b) Moderate season
172 days
Last Spring Frost April 28
172 growing days
First Fall Frost October 17

Luzerne County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celeriac Planting Timeline — Luzerne County, PA

Celeriac Planting Calendar

Activity When Date Range
Start Indoors March 24 Mar 24 – Apr 7
Transplant Outdoors April 28 Apr 28 – May 12
Direct Sow April 14 Apr 14 – May 5
Harvest August 11 Aug 11 – Sep 15
Fall Sowing August 8 Aug 8 – Aug 22

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

172 days in Luzerne County

Growing Tips for Luzerne 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Celeriac in Luzerne County, PA?

Luzerne County is in Zone 6b with an average last frost of April 28. Plan your Celeriac planting based on this frost date — see the calendar above for exact timing.

What planting zone is Luzerne County, PA?

Luzerne County, Pennsylvania is in USDA Hardiness Zone 6b. The average last spring frost is April 28 and first fall frost is October 17.

🌱

Your Luzerne County Garden Planner — Free

A 22-page printable planner built for Luzerne County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Luzerne County, PA. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.