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When to Plant Jicama in Greensville County, VA

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.

Greensville County, Virginia is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 7, giving you a growing season of approximately 225 days.

At an elevation of 532 feet, Greensville County receives approximately 50.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93ยฐF, providing good warmth for Jicama during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Jicama root diseases.

Greensville County, VA (Zone 7b) Long season
225 days
Last Spring Frost March 27
225 growing days
First Fall Frost November 7

Greensville County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (18 days to spare)
Start indoors: Jan 30 Transplant: Apr 3 🍅 Harvest: Aug 7 – Oct 16
Recommended (50%) ✓ Fits season (15 days to spare)
Start indoors: Feb 6 Transplant: Apr 10 🍅 Harvest: Aug 14 – Oct 23
Safe Start (90%) ✓ Fits season (12 days to spare)
Start indoors: Feb 21 Transplant: Apr 25 🍅 Harvest: Aug 29 – Nov 7

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 111 gal / 100 sq ft
Jicama needs ~2,962 GDD — county provides 4,443 GDD Excellent fit

Jicama Planting Timeline โ€” Greensville County, VA

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

225 days

Growing Tips for Greensville 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 Greensville County, VA?

Greensville 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 Greensville County, VA?

Greensville County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 7.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Greensville 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 Greensville County, VA. Local conditions may vary. Last updated: April 2026.