When to Plant Sunchoke in Wilson County, TX
Sunchokes (Jerusalem artichokes) are a native sunflower relative grown for their knobby, nutty-flavored tubers. They are extremely productive and nearly impossible to eradicate.
Wilson County, Texas is in USDA Zone 8b. The average last spring frost is March 4 and the first fall frost is November 25, giving you a growing season of approximately 266 days.
At an elevation of 2,660 feet, Wilson County receives approximately 62.3 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Sunchoke during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sunchoke root diseases.
Wilson County Soil Profile
Soil Type
Loam
Soil pH
6.5-7.4
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 — consider drought-tolerant varieties and mulching
Sunchoke Planting Timeline — Wilson County, TX
Sunchoke Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 18 | Mar 18 – Apr 1 |
| Harvest | July 8 | Jul 8 – Sep 2 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
110–150 days
Soil pH
6 – 7.5
USDA Zone
Zone 8b
Growing Season
266 days
Growing Tips for Wilson County
Plant tubers 4 inches deep in early spring. Contain plants with barriers as they spread aggressively. Harvest after frost or leave in ground and dig as needed through winter.
Companion Planting
Good Companions
Level Up Your Garden
Sunchoke in Other Locations
Frequently Asked Questions
When should I plant Sunchoke in Wilson County, TX?
Wilson County is in Zone 8b with an average last frost of March 4. Plan your Sunchoke planting based on this frost date — see the calendar above for exact timing.
What planting zone is Wilson County, TX?
Wilson County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 4 and first fall frost is November 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Wilson County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.
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