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When to Plant Sunchoke in Hudspeth 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.

Hudspeth County, Texas is in USDA Zone 7b. The average last spring frost is March 30 and the first fall frost is November 5, giving you a growing season of approximately 220 days.

At an elevation of 3,983 feet, Hudspeth County receives approximately 34.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102ยฐF, so Sunchoke may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Sunchoke will need more frequent watering and organic matter to retain nutrients.

Hudspeth County, TX (Zone 7b) Long season
220 days
Last Spring Frost March 30
220 growing days
First Fall Frost November 5

Hudspeth County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (39 days to spare)
Transplant: Apr 3 🍅 Harvest: Jul 24 – Sep 18
Recommended (50%) ✓ Fits season (38 days to spare)
Transplant: Apr 13 🍅 Harvest: Aug 3 – Sep 28
Safe Start (90%) ✓ Fits season (37 days to spare)
Transplant: May 1 🍅 Harvest: Aug 21 – Oct 16

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
0.7″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 820 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Sunchoke needs ~3,445 GDD — county provides 5,830 GDD Excellent fit

Sunchoke Planting Timeline โ€” Hudspeth County, TX

Sunchoke Planting Calendar

Activity When Date Range
Transplant Outdoors April 13 Apr 13 โ€“ Apr 27
Harvest August 3 Aug 3 โ€“ Sep 28

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

110โ€“150 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

220 days

Growing Tips for Hudspeth 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

Frequently Asked Questions

When should I plant Sunchoke in Hudspeth County, TX?

Hudspeth County is in Zone 7b with an average last frost of March 30. Plan your Sunchoke planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hudspeth County, TX?

Hudspeth County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 30 and first fall frost is November 5.

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Plan Your Garden with Confidence

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