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When to Plant Tarragon in Nolan County, TX

French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.

Nolan County, Texas is in USDA Zone 7b. The average last spring frost is March 24 and the first fall frost is November 15, giving you a growing season of approximately 236 days.

At an elevation of 3,997 feet, Nolan County receives approximately 49.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 101ยฐF, so Tarragon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Tarragon will need more frequent watering and organic matter to retain nutrients.

Nolan County, TX (Zone 7b) Long season
236 days
Last Spring Frost March 24
236 growing days
First Fall Frost November 15

Nolan 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 (95 days to spare)
Transplant: Mar 24 🍅 Harvest: May 26 – Aug 4
Recommended (50%) ✓ Fits season (96 days to spare)
Transplant: Mar 31 🍅 Harvest: Jun 2 – Aug 11
Safe Start (90%) ✓ Fits season (90 days to spare)
Transplant: Apr 22 🍅 Harvest: Jun 24 – Sep 2

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 296 gal / 100 sq ft
Drought risk

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

Tarragon needs ~1,931 GDD — county provides 6,077 GDD Excellent fit

Tarragon Planting Timeline โ€” Nolan County, TX

Tarragon Planting Calendar

Activity When Date Range
Transplant Outdoors March 31 Mar 31 โ€“ Apr 14
Harvest June 2 Jun 2 โ€“ Aug 11

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

236 days

Growing Tips for Nolan County

Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Tarragon in Nolan County, TX?

Nolan County is in Zone 7b with an average last frost of March 24. Plan your Tarragon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Nolan County, TX?

Nolan County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 24 and first fall frost is November 15.

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Plan Your Garden with Confidence

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