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When to plant Sweet Potatoes in Hardee County, FL

Hardee County's climate puts the Sweet Potatoes spring window between January 27 and February 17. aim for a steady week of warm soil before planting.

When to Plant Sweet Potatoes in Hardee County, FL

Sweet potatoes are a warm-season root crop that produces nutritious, sweet tubers in orange, white, and purple varieties. They need a long, hot growing season.

Hardee County, Florida is in USDA Zone 9b. The average last spring frost is January 27 and the first fall frost is December 20, giving you a growing season of approximately 327 days.

At an elevation of 374 feet, Hardee County receives approximately 59.8 inches of rainfall annually with predominantly sand soil. Summer highs average 102°F, so Sweet Potatoes may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Sweet Potatoes will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Potatoes root diseases.

Hardee County, FL (Zone 9b) Year-round
327 days
Last Spring Frost January 27
327 growing days
First Fall Frost December 20

Hardee County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.8

Drainage

Well Drained

Monthly Watering Guide for Sweet Potatoes

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

Month Sweet Potatoes Needs Rainfall You Supplement Action
Jan 4.3" 2.7" 1.6" 💧 Light watering
Feb 4.3" 3.1" 1.2" 💧 Light watering
Mar 4.3" 3.3" 1" 💧 Light watering
Apr 4.3" 2.9" 1.4" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 8.7" 0" ✅ Rainfall sufficient
Jul 4.3" 10.3" 0" ✅ Rainfall sufficient
Aug 4.3" 8.7" 0" ✅ Rainfall sufficient
Sep 4.3" 7.5" 0" ✅ Rainfall sufficient
Oct 4.3" 4.6" 0" ✅ Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 2.1" 2.2" 🚿 Regular watering

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

Sweet Potatoes Planting Timeline — Hardee County, FL

Sweet Potatoes Planting Calendar

Activity When Date Range
Start Indoors December 16 Dec 16 – Dec 30
Transplant Outdoors February 3 Feb 3 – Feb 17
Direct Sow January 27 Jan 27 – Feb 17
Harvest May 5 May 5 – Jun 23

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 9b

📆 Growing Season

327 days in Hardee County

Growing Tips for Hardee County

Plant slips (rooted sprouts) after soil is thoroughly warm. Build raised mounds for better root development. Cure harvested roots at 80-85F for 10 days to develop sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Squash Summer

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Potatoes in Hardee County, FL?

Hardee County is in Zone 9b with an average last frost of January 27. Plan your Sweet Potatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hardee County, FL?

Hardee County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 27 and first fall frost is December 20.

When should I plant Sweet Potatoes in Hardee County, FL?

In Hardee County, FL, plant Sweet Potatoes after the last frost (around January 27) and before the first frost (around December 20). Best results when soil holds above 50°F.

What growing zone is Hardee County, FL for Sweet Potatoes?

Hardee County sits in USDA Zone 9b. Sweet Potatoes grows reliably in zones 5a through 11b, so it's a good fit here.

Can Sweet Potatoes grow in Hardee County's climate?

Yes — Sweet Potatoes grows well in Hardee County's temperate climate. Hardee County averages a 328-day frost-free season, with last frost around January 27 and first frost around December 20.

🌱

Your Hardee County Garden Planner — Free

A 22-page printable planner built for Hardee County (Zone 9b). 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 Hardee County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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