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When to Plant Tarragon in USDA Zone 7a

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 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.

Zone 7a Long season
221 days
Last Spring Frost March 25
221 growing days
First Fall Frost November 1

Tarragon Planting Timeline — Zone 7a

Where Is USDA Zone 7a?

The map below highlights the states that contain Zone 7a. 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 7a

Activity When Date Range
Transplant Outdoors April 1 Apr 1 – Apr 15
Harvest June 3 Jun 3 – Aug 12

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

Month-by-Month Timeline

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

Free Zone 7a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7a with start dates, transplant windows, and harvest times.

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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

0°F to 5°F average annual minimum

Growing Season

221 days (Zone 7a average)

Planting Specifications

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

Succession Planting Tarragon in Zone 7a

4
successive plantings in Zone 7a's ~221-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Tarragon in Zone 7a

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

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Fabric Grow Bags $10-25

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

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Self-Watering Planters $15-40

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

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

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Frequently Asked Questions

When should I plant Tarragon in Zone 7a?

In Zone 7a, plan your Tarragon planting around the average last frost date of March 25. Transplant seedlings around April 1.

Can Tarragon grow in Zone 7a?

Yes, Tarragon can grow well in Zone 7a, hardy in USDA zones 4a through 9b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Tarragon (60-90 days to maturity).

When can I harvest Tarragon in Zone 7a?

In Zone 7a, expect to harvest Tarragon from June 3 – August 12. Tarragon takes 60-90 days from planting to harvest.

What is the last frost date for Zone 7a?

The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 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 7a, track your crops, and plan your garden season from seed to harvest.

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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.