When to Plant Jicama in Geneva County, AL
Your May planting checklist for Geneva County, Alabama
Your Geneva County, Alabama garden is entering a new phase. Here's what's on the schedule for May and why each task matters now.
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Indoor seed-starting week for jicama
You're about 27 weeks out from your last frost — the perfect window to get these germinating indoors.
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.
Geneva County, Alabama is in USDA Zone 8b. The average last spring frost is March 15 and the first fall frost is November 13, giving you a growing season of approximately 243 days.
At an elevation of 224 feet, Geneva County receives approximately 52.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Jicama may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Jicama, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Jicama root diseases.
Geneva County Soil Profile
Soil Type
Clay Loam
Soil pH
5.7-6.7
Drainage
Well Drained
Plant Planting Risk Windows
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 Geneva County
How your county's soil matches Jicama's growing requirements.
Soil pH
Your soil pH (5.7–6.7) overlaps with Jicama's range (6.0–7.5), though not a perfect match.
Soil Texture
The clay loam soil in Geneva County is excellent for Jicama — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.5%). Annual compost additions will help Jicama.
How to Plant Jicama
Plant Water Budget
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 | — | 4.5" | 0" | ❄️ Dormant |
| Feb | — | 4" | 0" | ❄️ Dormant |
| Mar | 4.3" | 5.3" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 4" | 0.3" | 💧 Light watering |
| May | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Jun | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Jul | 4.3" | 5.7" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 5.3" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.8" | 0.5" | 💧 Light watering |
| Oct | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Nov | 4.3" | 4" | 0.3" | 💧 Light watering |
| Dec | — | 4.2" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Geneva County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Jicama 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.
Jicama Planting Timeline — Geneva County, AL
Jicama Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 25 | Jan 25 – Feb 8 |
| Transplant Outdoors | March 29 | Mar 29 – Apr 12 |
| Direct Sow | March 22 | Mar 22 – Apr 12 |
| Harvest | August 2 | Aug 2 – Oct 11 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · Only during dry spells
📅 Days to Maturity
120–180 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 8b
📆 Growing Season
243 days in Geneva County
Growing Tips for Jicama in Geneva County
Direct sow Jicama outdoors after March 15 in Geneva County when soil has warmed and frost danger has passed.
With Geneva County's clay soil (30% clay), work in 3-4 inches of compost before planting Jicama. Avoid tilling when soil is wet to prevent compaction.
With summer highs reaching 97°F in Geneva County, provide afternoon shade for Jicama and water deeply in the morning.
Common pests for Jicama in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.
General growing tips
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
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Check more plant combinations with our Companion Planting Checker →
Jicama in Other Locations
Frequently Asked Questions
When should I plant Jicama in Geneva County, AL?
Geneva County is in Zone 8b with an average last frost of March 15. Plan your Jicama planting based on this frost date — see the calendar above for exact timing.
What planting zone is Geneva County, AL?
Geneva County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 15 and first fall frost is November 13.
Your Geneva County Garden Planner — Free
A 24-page printable planner built for Geneva 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.