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When to Plant Tarragon in El Paso County, TX

El Paso County, Texas Zone 8b May

Your May planting checklist for El Paso County, Texas

Your garden in El Paso County, Texas is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost March 16
Avg. first frost November 11
Soil temp (4") 61°F
Watering Critical
Pest pressure High
Daylight 13.6 hrs
  1. Basket week: tarragon

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

To set up a strong June, finish these tasks
  • First harvests: tarragon

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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.

El Paso County, Texas is in USDA Zone 8b. The average last spring frost is March 16 and the first fall frost is November 11, giving you a growing season of approximately 240 days.

At an elevation of 3,971 feet, El Paso County receives approximately 35.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 107°F, so Tarragon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Tarragon will need more frequent watering and organic matter to retain nutrients.

El Paso County, TX (Zone 8b) Long season
240 days
Last Spring Frost March 16
240 growing days
First Fall Frost November 11
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El Paso County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.4-8.5

Drainage

Well Drained

Monthly Watering Guide for Tarragon

Tarragon needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Tarragon Needs Rainfall You Supplement Action
Jan 2.4" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 4.3" 1.8" 2.5" 🚿 Regular watering
Apr 4.3" 1.1" 3.2" 🚿 Regular watering
May 4.3" 0.8" 3.5" 🚿 Regular watering
Jun 4.3" 1.1" 3.2" 🚿 Regular watering
Jul 4.3" 5.6" 0" ✅ Rainfall sufficient
Aug 4.3" 7.5" 0" ✅ Rainfall sufficient
Sep 4.3" 5.1" 0" ✅ Rainfall sufficient
Oct 4.3" 3.6" 0.7" 💧 Light watering
Nov 4.3" 1.8" 2.5" 🚿 Regular watering
Dec 2.8" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in El Paso County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Tarragon Planting Timeline — El Paso County, TX

Tarragon Planting Calendar

Activity When Date Range
Transplant Outdoors March 23 Mar 23 – Apr 6
Harvest May 25 May 25 – Aug 3

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May Harvest
June Harvest
July Harvest
August Harvest
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

240 days in El Paso County

Growing Tips for El Paso 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tarragon in El Paso County, TX?

El Paso County is in Zone 8b with an average last frost of March 16. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.

What planting zone is El Paso County, TX?

El Paso County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 16 and first fall frost is November 11.

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Your El Paso County Garden Planner — Free

A 24-page printable planner built for El Paso County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 El Paso County, TX. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.