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When to Plant Tarragon in USDA Zone 9b

Zone 9b Zone 9b June

June in Zone 9b — your action list

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

Avg. last frost February 14
Avg. first frost December 4
  1. Collect tarragon at their peak

    If you can't use it all right away, check the food-preservation section of your planner.

Get ahead of July
  • First harvests: tarragon
Get the full Zone 9b Garden Planner — free →

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 9b, the average last spring frost is around January 25 and the first fall frost is around December 20, giving you a growing season of approximately 329 days.

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Zone 9b Year-round
329 days
Last Spring Frost January 25
329 growing days
First Fall Frost December 20

Tarragon Planting Timeline — Zone 9b

Where Is USDA Zone 9b?

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

Activity When Date Range
Transplant Outdoors February 1 Feb 1 – Feb 15
Harvest April 5 Apr 5 – Jun 14

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

Month-by-Month Timeline

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

Free Zone 9b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9b 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

25°F to 30°F average annual minimum

Growing Season

329 days (Zone 9b average)

Planting Specifications

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

Succession Planting Tarragon in Zone 9b

6
successive plantings in Zone 9b's ~329-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Tarragon in Zone 9b

Zone 9b offers a long growing season (~329 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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Frequently Asked Questions

When should I plant Tarragon in Zone 9b?

In Zone 9b, plan your Tarragon planting around the average last frost date of January 25. Transplant seedlings around February 1.

Can Tarragon grow in Zone 9b?

Yes, Tarragon can grow well in Zone 9b, hardy in USDA zones 4a through 9b. Zone 9b has a growing season of approximately 329 days, which is sufficient for Tarragon (60-90 days to maturity).

When can I harvest Tarragon in Zone 9b?

In Zone 9b, expect to harvest Tarragon from April 5 – June 14. Tarragon takes 60-90 days from planting to harvest.

What is the last frost date for Zone 9b?

The average last spring frost in Zone 9b is around January 25, and the first fall frost is around December 20. This gives a growing season of approximately 329 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 9b Garden Planner — Free

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

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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.