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When to plant Celeriac in Harvey County, KS

Plant Celeriac in Harvey County from April 1 to April 22 in spring. Harvey County sits in USDA Zone 6b, with last frost around April 15 and first frost on October 24. A second sowing from August 15 to August 29 extends the harvest into fall.

When to Plant Celeriac in Harvey County, KS

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.

Harvey County, Kansas is in USDA Zone 6b. The average last spring frost is April 15 and the first fall frost is October 24, giving you a growing season of approximately 192 days.

At an elevation of 872 feet, Harvey County receives approximately 23.2 inches of rainfall annually with predominantly loam soil. Summer highs average 91°F, providing good warmth for Celeriac during the growing season.

Harvey County, KS (Zone 6b) Moderate season
192 days
Last Spring Frost April 15
192 growing days
First Fall Frost October 24

Harvey County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.1

Drainage

Well Drained

Monthly Watering Guide for Celeriac

Celeriac needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Celeriac Needs Rainfall You Supplement Action
Jan 0.6" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.3" 0" ❄️ Dormant
Apr 4.3" 2.6" 1.7" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 3.9" 0.4" 💧 Light watering
Jul 4.3" 2.7" 1.6" 💧 Light watering
Aug 4.3" 2.5" 1.8" 💧 Light watering
Sep 4.3" 2.3" 2" 💧 Light watering
Oct 4.3" 1.5" 2.8" 🚿 Regular watering
Nov 0.7" 0" ❄️ Dormant
Dec 0.5" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Harvey County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Celeriac Planting Timeline — Harvey County, KS

Celeriac Planting Calendar

Activity When Date Range
Start Indoors March 11 Mar 11 – Mar 25
Transplant Outdoors April 15 Apr 15 – Apr 29
Direct Sow April 1 Apr 1 – Apr 22
Harvest July 29 Jul 29 – Sep 2
Fall Sowing August 15 Aug 15 – Aug 29

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Transplant Outdoors Direct Sow
May
June
July Harvest
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

192 days in Harvey County

Growing Tips for Harvey 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 Harvey County, KS?

Harvey County is in Zone 6b with an average last frost of April 15. Plan your Celeriac planting based on this frost date — see the calendar above for exact timing.

What planting zone is Harvey County, KS?

Harvey County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 15 and first fall frost is October 24.

When should I plant Celeriac in Harvey County, KS?

In Harvey County, KS, plant Celeriac after the last frost (around April 15) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Harvey County, KS for Celeriac?

Harvey County sits in USDA Zone 6b. Celeriac grows reliably in zones 3a through 9b, so it's a good fit here.

Can Celeriac grow in Harvey County's climate?

Yes — Celeriac grows well in Harvey County's temperate climate. Harvey County averages a 192-day frost-free season, with last frost around April 15 and first frost around October 24.

🌱

Your Harvey County Garden Planner — Free

A 22-page printable planner built for Harvey 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.

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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 Harvey County, KS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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