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When to Plant Celery in Sharkey County, MS

Sharkey County, Mississippi Zone 8b May

What to do in May

We've pulled the most time-sensitive tasks for Sharkey County, Mississippi this May and put them front and centre. Tackle them in order.

Avg. last frost March 5
Avg. first frost November 18
Soil temp (4") 71°F
Watering Low
Pest pressure High
Daylight 13.7 hrs
  1. Basket week: celery

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

Looking ahead to June
  • First harvests: celery

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Celery is a marshland plant that requires consistent moisture and cool temperatures to produce crisp, flavorful stalks. It is a rewarding but demanding garden crop.

Sharkey County, Mississippi is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 18, giving you a growing season of approximately 258 days.

At an elevation of 460 feet, Sharkey County receives approximately 55.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°F, providing good warmth for Celery during the growing season. Clay soil retains moisture well for Celery, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celery root diseases.

Sharkey County, MS (Zone 8b) Long season
258 days
Last Spring Frost March 5
258 growing days
First Fall Frost November 18

Sharkey County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (121 days to spare)
Start indoors: Jan 22 Transplant: Feb 26 🍅 Harvest: May 21 – Jul 16
Recommended (50%) ✓ Fits season (118 days to spare)
Start indoors: Jan 29 Transplant: Mar 5 🍅 Harvest: May 28 – Jul 23
Safe Start (90%) ✓ Fits season (114 days to spare)
Start indoors: Feb 15 Transplant: Mar 22 🍅 Harvest: Jun 14 – Aug 9

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 Sharkey County

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

Soil pH

Your soil pH (5.5–6.8) overlaps with Celery's range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Sharkey County is excellent for Celery — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Celery.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Celery.

How to Plant Celery

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

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

Succession Planting Celery

3
successive plantings in your 258-day season

Sow every 9.1 weeks. Last sowing by Jul 21 to harvest before frost.

For a dedicated fall crop, sow by Sep 09.

Plant Water Budget

Plant needs
1.3″/week
Rainfall provides
0.9″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 15 gal / 100 sq ft

Monthly Watering Guide for Celery

Celery needs approximately 1.3 inches of water per week (5.6" per month). Here's how your county's rainfall compares month by month.

Month Celery Needs Rainfall You Supplement Action
Jan 4.8" 0" ❄️ Dormant
Feb 4.2" 0" ❄️ Dormant
Mar 5.6" 5.5" 0.1" 💧 Light watering
Apr 5.6" 4.6" 1" 💧 Light watering
May 5.6" 3.9" 1.7" 💧 Light watering
Jun 5.6" 4.6" 1" 💧 Light watering
Jul 5.6" 6.4" 0" ✅ Rainfall sufficient
Aug 5.6" 4.9" 0.7" 💧 Light watering
Sep 5.6" 4.7" 0.9" 💧 Light watering
Oct 5.6" 3.4" 2.2" 💧 Light watering
Nov 5.6" 3.7" 1.9" 💧 Light watering
Dec 4.7" 0" ❄️ Dormant

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

Celery 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.

Celery needs ~1,825 GDD — county provides 4,708 GDD Excellent fit

Celery Planting Timeline — Sharkey County, MS

Celery Planting Calendar

Activity When Date Range
Start Indoors January 29 Jan 29 – Feb 12
Transplant Outdoors March 5 Mar 5 – Mar 19
Direct Sow February 19 Feb 19 – Mar 12
Harvest May 28 May 28 – Jul 23
Fall Sowing September 9 Sep 9 – Sep 23

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.3"/week · Only during dry spells

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

258 days in Sharkey County

Growing Tips for Celery in Sharkey County

Direct sow Celery outdoors after March 05 in Sharkey County when soil has warmed and frost danger has passed.

With Sharkey County's clay soil (29% clay), work in 3-4 inches of compost before planting Celery. Avoid tilling when soil is wet to prevent compaction.

Common pests for Celery 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. Keep soil consistently moist and never let it dry out. Blanch stalks by mounding soil or using collars for milder 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 Celery in Sharkey County, MS?

Sharkey County is in Zone 8b with an average last frost of March 5. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Sharkey County, MS?

Sharkey County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 18.

🌱

Your Sharkey County Garden Planner — Free

A 24-page printable planner built for Sharkey County (Zone 8b). 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 Sharkey County, MS. 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.