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When to Plant Garlic Chives in USDA Zone 9b

Garlic chives are a perennial herb with flat leaves that have a mild garlic flavor. They produce attractive white flower clusters and are used in Asian cooking.

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.

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

Garlic Chives 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 Garlic Chives planting schedule for that location.

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

Garlic Chives 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

Low — drought tolerant

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

Growing Tips for Zone 9b

Start from seed or divisions. Cut flower stalks before seeds set to prevent aggressive self-seeding. Both leaves and flower buds are edible and flavorful.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Level Up Your Garden

Saving Garlic Chives Seeds

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

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Self-Watering Planters $15-40

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Frequently Asked Questions

When should I plant Garlic Chives in Zone 9b?

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

Can Garlic Chives grow in Zone 9b?

Yes, Garlic Chives can grow well in Zone 9b, hardy in USDA zones 3a through 10b. Zone 9b has a growing season of approximately 329 days, which is sufficient for Garlic Chives (60-90 days to maturity).

When can I harvest Garlic Chives in Zone 9b?

In Zone 9b, expect to harvest Garlic Chives from April 5 – June 14. Garlic Chives 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 Garlic Chives?

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

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Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 9b, track your crops, and plan your garden season from seed to harvest.

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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: April 2026.