When to plant Sweet Potatoes in Sumter County, FL
In Zone 9b (Sumter County), direct-sow Sweet Potatoes between February 6 and February 27 for spring, after the February 6 last-frost mark.
When to Plant Sweet Potatoes in Sumter 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.
Sumter County, Florida is in USDA Zone 9b. The average last spring frost is February 6 and the first fall frost is December 6, giving you a growing season of approximately 303 days.
At an elevation of 463 feet, Sumter County receives approximately 60.9 inches of rainfall annually with predominantly sand soil. Summer highs average 96°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.
Sumter County Soil Profile
Soil Type
Sand
Soil pH
5-6.1
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 | — | 3.2" | 0" | ❄️ Dormant |
| Feb | 4.3" | 3.3" | 1" | 💧 Light watering |
| Mar | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Apr | 4.3" | 2.7" | 1.6" | 💧 Light watering |
| May | 4.3" | 4.3" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 8" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 8.7" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 8.5" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 7.6" | 0" | ✅ Rainfall sufficient |
| Oct | 4.3" | 6.1" | 0" | ✅ Rainfall sufficient |
| Nov | 4.3" | 2.6" | 1.7" | 💧 Light watering |
| Dec | 4.3" | 2.5" | 1.8" | 💧 Light watering |
Water needs are for active growing months only (Feb–Dec in Sumter County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Sweet Potatoes Planting Timeline — Sumter County, FL
Sweet Potatoes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | December 26 | Dec 26 – Jan 9 |
| Transplant Outdoors | February 13 | Feb 13 – Feb 27 |
| Direct Sow | February 6 | Feb 6 – Feb 27 |
| Harvest | May 15 | May 15 – Jul 3 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Transplant Outdoors Direct Sow |
| March | — |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| 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
303 days in Sumter County
Growing Tips for Sumter 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
Check more plant combinations with our Companion Planting Checker →
Sweet Potatoes in Other Locations
Frequently Asked Questions
When should I plant Sweet Potatoes in Sumter County, FL?
Sumter County is in Zone 9b with an average last frost of February 6. Plan your Sweet Potatoes planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sumter County, FL?
Sumter County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is February 6 and first fall frost is December 6.
When should I plant Sweet Potatoes in Sumter County, FL?
In Sumter County, FL, plant Sweet Potatoes after the last frost (around February 6) and before the first frost (around December 6). Best results when soil holds above 50°F.
What growing zone is Sumter County, FL for Sweet Potatoes?
Sumter 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 Sumter County's climate?
Yes — Sweet Potatoes grows well in Sumter County's temperate climate. Sumter County averages a 304-day frost-free season, with last frost around February 6 and first frost around December 6.
Your Sumter County Garden Planner — Free
A 22-page printable planner built for Sumter 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.