When to Plant Jicama in Amherst 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.
Amherst County, Virginia is in USDA Zone 7a. The average last spring frost is April 10 and the first fall frost is October 31, giving you a growing season of approximately 204 days.
At an elevation of 242 feet, Amherst County receives approximately 49.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Jicama during the growing season.
Amherst County Soil Profile
Soil Type
Silt Loam
Soil pH
5.3-7
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.
Plant Water Budget
Jicama Planting Timeline — Amherst County, VA
Jicama Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 20 | Feb 20 – Mar 6 |
| Transplant Outdoors | April 24 | Apr 24 – May 8 |
| Direct Sow | April 17 | Apr 17 – May 8 |
| Harvest | August 28 | Aug 28 – Nov 6 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
120–180 days
Soil pH
6 – 7.5
USDA Zone
Zone 7a
Growing Season
204 days
Growing Tips for Amherst 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 Amherst County, VA?
Amherst County is in Zone 7a with an average last frost of April 10. Plan your Jicama planting based on this frost date — see the calendar above for exact timing.
What planting zone is Amherst County, VA?
Amherst County, Virginia is in USDA Hardiness Zone 7a. The average last spring frost is April 10 and first fall frost is October 31.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Amherst County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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