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When to Plant Celeriac in Baxter County, AR

Baxter County, Arkansas Zone 7a May

May in Baxter County, Arkansas — your action list

A quick May briefing for Baxter County, Arkansas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 2
Avg. first frost October 27
Soil temp (4") 62°F
Watering Moderate
Pest pressure Low
Daylight 13.9 hrs
  1. Start celeriac under lights

    Bottom-water once the first true leaves appear — it keeps stems dry and knocks back damping-off.

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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.

Baxter County, Arkansas is in USDA Zone 7a. The average last spring frost is April 2 and the first fall frost is October 27, giving you a growing season of approximately 208 days.

At an elevation of 587 feet, Baxter County receives approximately 45.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Celeriac during the growing season.

Baxter County, AR (Zone 7a) Long season
208 days
Last Spring Frost April 2
208 growing days
First Fall Frost October 27

Baxter County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (67 days to spare)
Start indoors: Feb 20 Transplant: Mar 27 🍅 Harvest: Jul 10 – Aug 14
Recommended (50%) ✓ Fits season (68 days to spare)
Start indoors: Feb 26 Transplant: Apr 2 🍅 Harvest: Jul 16 – Aug 20
Safe Start (90%) ✓ Fits season (66 days to spare)
Start indoors: Mar 17 Transplant: Apr 21 🍅 Harvest: Aug 4 – Sep 8

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.

Soil Compatibility in Baxter County

How your county's soil matches Celeriac's growing requirements.

Soil pH

Your soil pH (5.8–7.0) overlaps with Celeriac's range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in Baxter County is excellent for Celeriac — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Celeriac.

How to Plant Celeriac

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Plant Water Budget

Plant needs
0.9″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Celeriac

Celeriac needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Celeriac Needs Rainfall You Supplement Action
Jan 4.4" 0" ❄️ Dormant
Feb 3.8" 0" ❄️ Dormant
Mar 3.9" 0" ❄️ Dormant
Apr 3.9" 3.2" 0.7" 💧 Light watering
May 3.9" 3.3" 0.6" 💧 Light watering
Jun 3.9" 3.9" 0" ✅ Rainfall sufficient
Jul 3.9" 5" 0" ✅ Rainfall sufficient
Aug 3.9" 4.3" 0" ✅ Rainfall sufficient
Sep 3.9" 3" 0.9" 💧 Light watering
Oct 3.9" 3.2" 0.7" 💧 Light watering
Nov 3.8" 0" ❄️ Dormant
Dec 3.8" 0" ❄️ Dormant

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

Celeriac Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Celeriac needs ~1,760 GDD — county provides 3,328 GDD Excellent fit

Celeriac Planting Timeline — Baxter County, AR

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 26 Feb 26 – Mar 12
Transplant Outdoors April 2 Apr 2 – Apr 16
Direct Sow March 19 Mar 19 – Apr 9
Harvest July 16 Jul 16 – Aug 20
Fall Sowing August 18 Aug 18 – Sep 1

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · Natural rainfall sufficient

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

208 days in Baxter County

Growing Tips for Celeriac in Baxter County

Direct sow Celeriac outdoors after April 02 in Baxter County when soil has warmed and frost danger has passed.

Common pests for Celeriac in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Baxter County, AR?

Baxter County is in Zone 7a with an average last frost of April 2. Plan your Celeriac planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baxter County, AR?

Baxter County, Arkansas is in USDA Hardiness Zone 7a. The average last spring frost is April 2 and first fall frost is October 27.

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Your Baxter County Garden Planner — Free

A 24-page printable planner built for Baxter County (Zone 7a). 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 Baxter County, AR. Local conditions may vary. Last updated: May 2026.

Sources & credits

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