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When to Plant Artichoke in Webb County, TX

Globe artichokes are large thistle-like perennials prized for their edible flower buds. They produce striking silvery foliage and can be grown as ornamentals.

Webb County, Texas is in USDA Zone 9a. The average last spring frost is February 9 and the first fall frost is December 9, giving you a growing season of approximately 303 days.

At an elevation of 3,543 feet, Webb County receives approximately 50.9 inches of rainfall annually with predominantly loam soil. Summer highs average 95ยฐF, so Artichoke may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Artichoke root diseases.

Webb County, TX (Zone 9a) Year-round
303 days
Last Spring Frost February 9
303 growing days
First Fall Frost December 9

Webb County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (107 days to spare)
Transplant: Feb 2 🍅 Harvest: Jun 8 – Aug 17
Recommended (50%) ✓ Fits season (93 days to spare)
Transplant: Feb 23 🍅 Harvest: Jun 29 – Sep 7
Safe Start (90%) ✓ Fits season (81 days to spare)
Transplant: Mar 19 🍅 Harvest: Jul 23 – Oct 1

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 964 gal / 100 sq ft
Drought risk

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

Artichoke needs ~3,188 GDD — county provides 6,460 GDD Excellent fit

Artichoke Planting Timeline โ€” Webb County, TX

Artichoke Planting Calendar

Activity When Date Range
Transplant Outdoors February 23 Feb 23 โ€“ Mar 9
Harvest June 29 Jun 29 โ€“ Sep 7

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Transplant Outdoors
March Transplant Outdoors
April โ€”
May โ€”
June Harvest
July Harvest
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

120โ€“180 days

Soil pH

6.5 โ€“ 8

USDA Zone

Zone 9a

Growing Season

303 days

Growing Tips for Webb County

Start seeds indoors 8-10 weeks before last frost. Provide consistent moisture and mulch heavily. Harvest buds before scales begin to open for best flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Artichoke in Webb County, TX?

Webb County is in Zone 9a with an average last frost of February 9. Plan your Artichoke planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Webb County, TX?

Webb County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 9 and first fall frost is December 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Webb County gardeners in Zone 9a 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 Webb County, TX. Local conditions may vary. Last updated: April 2026.