Blog

When to Plant Tarragon in USDA Zone 8a

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.

In Zone 8a, the average last spring frost is around March 8 and the first fall frost is around November 18, giving you a growing season of approximately 255 days.

Zone 8a Long season
255 days
Last Spring Frost March 8
255 growing days
First Fall Frost November 18

Tarragon Planting Timeline — Zone 8a

Where Is USDA Zone 8a?

The map below highlights the states that contain Zone 8a. Click any state to see the Tarragon planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Tarragon Planting Calendar — Zone 8a

Activity When Date Range
Transplant Outdoors March 15 Mar 15 – Mar 29
Harvest May 17 May 17 – Jul 26

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

Month-by-Month Timeline

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

Free Zone 8a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8a with start dates, transplant windows, and harvest times.

Get My Free Calendar →

Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

Days to Maturity

60–90 days

Soil pH

6 – 7.5

Zone Temperature Range

10°F to 15°F average annual minimum

Growing Season

255 days (Zone 8a average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Succession Planting Tarragon in Zone 8a

5
successive plantings in Zone 8a's ~255-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Tarragon in Zone 8a

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

Saving Tarragon Seeds

Recommended for Your Garden

🪴
Fabric Grow Bags $10-25

Breathable fabric pots that promote healthy root growth and prevent overwatering.

🏺
Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

Related Plants

Frequently Asked Questions

When should I plant Tarragon in Zone 8a?

In Zone 8a, plan your Tarragon planting around the average last frost date of March 8. Transplant seedlings around March 15.

Can Tarragon grow in Zone 8a?

Yes, Tarragon can grow well in Zone 8a, hardy in USDA zones 4a through 9b. Zone 8a has a growing season of approximately 255 days, which is sufficient for Tarragon (60-90 days to maturity).

When can I harvest Tarragon in Zone 8a?

In Zone 8a, expect to harvest Tarragon from May 17 – July 26. Tarragon takes 60-90 days from planting to harvest.

What is the last frost date for Zone 8a?

The average last spring frost in Zone 8a is around March 8, and the first fall frost is around November 18. This gives a growing season of approximately 255 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Tarragon?

Good companion plants for Tarragon include Tomatoes, Eggplant, Peppers. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 8a, track your crops, and plan your garden season from seed to harvest.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.