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When to Plant Jicama in Palo Pinto 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.

Palo Pinto County, Texas is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 10, giving you a growing season of approximately 228 days.

At an elevation of 4,181 feet, Palo Pinto County receives approximately 58.8 inches of rainfall annually with predominantly clay soil. Summer highs average 88ยฐF, providing good warmth for Jicama during the growing season. 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.

Palo Pinto County, TX (Zone 7b) Long season
228 days
Last Spring Frost March 27
228 growing days
First Fall Frost November 10

Palo Pinto County Soil Profile

Soil Type

Clay

Soil pH

6.9-8.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (18 days to spare)
Start indoors: Jan 28 Transplant: Apr 1 🍅 Harvest: Aug 5 – Oct 14
Recommended (50%) ✓ Fits season (18 days to spare)
Start indoors: Feb 6 Transplant: Apr 10 🍅 Harvest: Aug 14 – Oct 23
Safe Start (90%) ✓ Fits season (13 days to spare)
Start indoors: Feb 26 Transplant: Apr 30 🍅 Harvest: Sep 3 – Nov 12

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

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Jicama needs ~2,400 GDD — county provides 3,648 GDD Excellent fit

Jicama Planting Timeline โ€” Palo Pinto County, TX

Jicama Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 โ€“ Feb 20
Transplant Outdoors April 10 Apr 10 โ€“ Apr 24
Direct Sow April 3 Apr 3 โ€“ Apr 24
Harvest August 14 Aug 14 โ€“ Oct 23

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

120โ€“180 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

228 days

Growing Tips for Palo Pinto 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Jicama in Palo Pinto County, TX?

Palo Pinto County is in Zone 7b with an average last frost of March 27. Plan your Jicama planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Palo Pinto County, TX?

Palo Pinto County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 10.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Palo Pinto County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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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 Palo Pinto County, TX. Local conditions may vary. Last updated: April 2026.