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When to Plant Chives in USDA Zone 9a

Zone 9a Zone 9a May

Your May planting checklist for Zone 9a

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Zone 9a.

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

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

To set up a strong June, finish these tasks
  • First harvests: chives
Get the full Zone 9a Garden Planner — free →
Chives

Chives are a hardy perennial herb with a mild onion flavor and attractive purple pom-pom flowers. They are one of the easiest herbs to grow and maintain.

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.

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

Chives 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 Chives planting schedule for that location.

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

Chives 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.

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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

Zone Temperature Range

°F to °F average annual minimum

Growing Season

303 days (Zone average)

Planting Specifications

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

Succession Planting Chives in Zone

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

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Chives in Zone

Zone has a short growing season (~303 days). Start Chives indoors early and use season-extension techniques like row covers and cold frames.

Start from seed or divisions in spring. Cut back to 2 inches after flowering to encourage fresh growth. Both the leaves and flowers are edible and delicious.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans
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Saving Chives 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.

Related Plants

Frequently Asked Questions

When should I plant Chives in Zone 9a?

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

Can Chives grow in Zone 9a?

Yes, Chives can grow well in Zone 9a, hardy in USDA zones 3a through 10b. Zone 9a has a growing season of approximately 303 days, which is sufficient for Chives (60-90 days to maturity).

When can I harvest Chives in Zone 9a?

In Zone 9a, expect to harvest Chives from April 21 – June 30. Chives 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 Chives?

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

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. 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: May 2026.

Sources & credits

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