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When to plant Celery in Hillsborough County, FL

In Hillsborough County, plant Celery in spring between January 4 and January 25, once soil temps hold above 50°F. Hillsborough County's last frost averages January 25, so aim for a steady week of warm soil before planting. For a fall crop, sow between October 25 and November 8 — roughly 80–120 days before the first frost on December 20.

When to Plant Celery in Hillsborough County, FL

Celery

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.

Hillsborough County, Florida is in USDA Zone 10a. The average last spring frost is January 25 and the first fall frost is December 20, giving you a growing season of approximately 329 days.

At an elevation of 63 feet, Hillsborough County receives approximately 54.4 inches of rainfall annually with predominantly sand soil. Summer highs average 98°F, so Celery may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Celery will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celery root diseases.

Hillsborough County, FL (Zone 10a) Year-round
329 days
Last Spring Frost January 25
329 growing days
First Fall Frost December 20

Hillsborough County Soil Profile

Soil Type

Sand

Soil pH

6.0-7.0

Drainage

Well Drained

Celery Planting Timeline — Hillsborough County, FL

Celery Planting Calendar

Activity When Date Range
Start Indoors December 28 Dec 28 – Jan 11
Transplant Outdoors January 25 Jan 25 – Feb 8
Direct Sow January 4 Jan 4 – Jan 25
Harvest April 19 Apr 19 – Jun 14
Fall Sowing October 25 Oct 25 – Nov 8

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 10a

📆 Growing Season

329 days in Hillsborough County

Growing Tips for Hillsborough County

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 Hillsborough County, FL?

Hillsborough County is in Zone 10a with an average last frost of January 25. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hillsborough County, FL?

Hillsborough County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 25 and first fall frost is December 20.

When should I plant Celery in Hillsborough County, FL?

In Hillsborough County, FL, plant Celery after the last frost (around January 25) and before the first frost (around December 20). Best results when soil holds above 50°F.

What growing zone is Hillsborough County, FL for Celery?

Hillsborough County sits in USDA Zone 10a. Celery grows reliably in zones 2a through 10b, so it's a good fit here.

Can Celery grow in Hillsborough County's climate?

Yes — Celery grows well in Hillsborough County's temperate climate. Hillsborough County averages a 330-day frost-free season, with last frost around January 25 and first frost around December 20.

🌱

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A 22-page printable planner built for Hillsborough County (Zone 10a). 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 Hillsborough County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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