When to Plant Jicama in Roberts County, TX
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.
Roberts County, Texas is in USDA Zone 7a. The average last spring frost is April 17 and the first fall frost is October 24, giving you a growing season of approximately 190 days.
At an elevation of 1,068 feet, Roberts County receives approximately 51 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98ยฐF, so Jicama may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ great for early planting โ 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.
Roberts County Soil Profile
Soil Type
Sandy Loam
Soil pH
7.5-8.8
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.
Plant Water Budget
Water stress score is 6/10 โ consider drought-tolerant varieties and mulching
Jicama Planting Timeline โ Roberts County, TX
Jicama Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 27 | Feb 27 โ Mar 13 |
| Transplant Outdoors | May 1 | May 1 โ May 15 |
| Direct Sow | April 24 | Apr 24 โ May 15 |
| Harvest | September 4 | Sep 4 โ Nov 13 |
Plant 0.5" deep ยท 6" apart ยท Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | โ |
| February | Start Indoors |
| March | Start Indoors |
| April | Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | โ |
| July | โ |
| August | โ |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | โ |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate โ regular watering
Days to Maturity
120โ180 days
Soil pH
6 โ 7.5
USDA Zone
Zone 7a
Growing Season
190 days
Growing Tips for Roberts 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
Level Up Your Garden
Jicama in Other Locations
Frequently Asked Questions
When should I plant Jicama in Roberts County, TX?
Roberts County is in Zone 7a with an average last frost of April 17. Plan your Jicama planting based on this frost date โ see the calendar above for exact timing.
What planting zone is Roberts County, TX?
Roberts County, Texas is in USDA Hardiness Zone 7a. The average last spring frost is April 17 and first fall frost is October 24.
Plan Your Garden with Confidence
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