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When to Plant Tarragon in USDA Zone 9a

Zone 9a Zone 9a June

June to-do list for Zone 9a

Here's what deserves your attention in Zone 9a this month. Everything below is tailored to Zone 9a and timed around your local frost dates.

Avg. last frost March 4
Avg. first frost November 24
  1. Start harvesting tarragon

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

To set up a strong July, finish these tasks
  • First harvests: tarragon
Download your personalised Zone 9a planting plan →

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 9a, the average last spring frost is around February 10 and the first fall frost is around December 10, giving you a growing season of approximately 303 days.

Zone 9a Year-round
303 days
Last Spring Frost February 10
303 growing days
First Fall Frost December 10

Tarragon Planting Timeline — Zone 9a

Where Is USDA Zone 9a?

The map below highlights the states that contain Zone 9a. 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 9a

Activity When Date Range
Transplant Outdoors February 17 Feb 17 – Mar 3
Harvest April 21 Apr 21 – Jun 30

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

Month-by-Month Timeline

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

Free Zone 9a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9a with start dates, transplant windows, and harvest times.

Instant PDF download. No spam, unsubscribe any time.

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

20°F to 25°F average annual minimum

Growing Season

303 days (Zone 9a average)

Planting Specifications

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

Succession Planting Tarragon in Zone 9a

6
successive plantings in Zone 9a's ~303-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Tarragon in Zone 9a

Zone 9a offers a long growing season (~303 days). You can plant Tarragon earlier and may get multiple harvests.

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

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Saving Tarragon Seeds

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

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

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Frequently Asked Questions

When should I plant Tarragon in Zone 9a?

In Zone 9a, plan your Tarragon planting around the average last frost date of February 10. Transplant seedlings around February 17.

Can Tarragon grow in Zone 9a?

Yes, Tarragon can grow well in Zone 9a, hardy in USDA zones 4a through 9b. Zone 9a has a growing season of approximately 303 days, which is sufficient for Tarragon (60-90 days to maturity).

When can I harvest Tarragon in Zone 9a?

In Zone 9a, expect to harvest Tarragon from April 21 – June 30. Tarragon takes 60-90 days from planting to harvest.

What is the last frost date for Zone 9a?

The average last spring frost in Zone 9a is around February 10, and the first fall frost is around December 10. This gives a growing season of approximately 303 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.

🌱

Your Zone 9a Garden Planner — Free

A 22-page printable planner tailored to Zone 9a. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

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: June 2026.

Sources & credits

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