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When to plant Jicama in Effingham County, GA

For Jicama in Effingham County, the safe spring window opens around March 13 and closes around April 3. Last expected frost is March 13, first fall frost November 17, giving a 249-day growing season.

When to Plant Jicama in Effingham County, GA

Jicama is a tropical legume grown for its crisp, sweet, starchy root. It requires a very long, warm growing season but produces a refreshing, water chestnut-like tuber.

Effingham County, Georgia is in USDA Zone 9a. The average last spring frost is March 13 and the first fall frost is November 17, giving you a growing season of approximately 249 days.

At an elevation of 344 feet, Effingham County receives approximately 60.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97°F, so Jicama may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Jicama will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Jicama root diseases.

Effingham County, GA (Zone 9a) Long season
249 days
Last Spring Frost March 13
249 growing days
First Fall Frost November 17

Effingham County Soil Profile

Soil Type

Sandy Loam

Soil pH

4.9-6.3

Drainage

Well Drained

Monthly Watering Guide for Jicama

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

Month Jicama Needs Rainfall You Supplement Action
Jan 4.8" 0" ❄️ Dormant
Feb 5.4" 0" ❄️ Dormant
Mar 4.3" 5.6" 0" ✅ Rainfall sufficient
Apr 4.3" 4" 0.3" 💧 Light watering
May 4.3" 5" 0" ✅ Rainfall sufficient
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 6.7" 0" ✅ Rainfall sufficient
Aug 4.3" 5.7" 0" ✅ Rainfall sufficient
Sep 4.3" 4.6" 0" ✅ Rainfall sufficient
Oct 4.3" 3.9" 0.4" 💧 Light watering
Nov 4.3" 5.1" 0" ✅ Rainfall sufficient
Dec 4.9" 0" ❄️ Dormant

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

Jicama Planting Timeline — Effingham County, GA

Jicama Planting Calendar

Activity When Date Range
Start Indoors January 30 Jan 30 – Feb 13
Transplant Outdoors March 20 Mar 20 – Apr 3
Direct Sow March 13 Mar 13 – Apr 3
Harvest July 24 Jul 24 – Oct 2

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

120–180 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

249 days in Effingham County

Growing Tips for Effingham County

Start seeds indoors 8-10 weeks before last frost. Pinch off flowers to direct energy to root development. Harvest before first frost when roots are 3-6 inches across.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Jicama in Effingham County, GA?

Effingham County is in Zone 9a with an average last frost of March 13. Plan your Jicama planting based on this frost date — see the calendar above for exact timing.

What planting zone is Effingham County, GA?

Effingham County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 13 and first fall frost is November 17.

When should I plant Jicama in Effingham County, GA?

In Effingham County, GA, plant Jicama after the last frost (around March 13) and before the first frost (around November 17). Best results when soil holds above 50°F.

What growing zone is Effingham County, GA for Jicama?

Effingham County sits in USDA Zone 9a. Jicama grows reliably in zones 7a through 11b, so it's a good fit here.

Can Jicama grow in Effingham County's climate?

Yes — Jicama grows well in Effingham County's temperate climate. Effingham County averages a 249-day frost-free season, with last frost around March 13 and first frost around November 17.

🌱

Your Effingham County Garden Planner — Free

A 22-page printable planner built for Effingham County (Zone 9a). 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 Effingham County, GA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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