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When to Plant Chard in USDA Zone 9a

Zone 9a Zone 9a May

Your May gardening checklist

Your garden in Zone 9a is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost March 4
Avg. first frost November 24
  1. Pick chard

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

Get ahead of June
  • First harvests: chard
Get the full Zone 9a Garden Planner — free →

Swiss chard is a colorful, heat-tolerant green with large crinkled leaves and vibrant stalks in red, yellow, and white. Both the leaves and stems are edible and nutritious.

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

Chard 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 Chard planting schedule for that location.

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

Chard Planting Calendar — Zone 9a

Activity When Date Range
Start Indoors January 13 Jan 13 – Jan 27
Transplant Outdoors February 10 Feb 10 – Feb 24
Direct Sow January 20 Jan 20 – Feb 10
Harvest April 7 Apr 7 – May 26
Fall Sowing October 15 Oct 15 – Oct 29

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Transplant Outdoors Direct Sow
March
April Harvest
May Harvest
June
July
August
September
October Fall Sowing
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

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

Days to Maturity

50–60 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

303 days (Zone average)

Planting Specifications

Planting Depth1 inches
Plant Spacing15 inches apart
Row Spacing24 inches between rows

Succession Planting Chard in Zone

7
successive plantings in Zone 's ~303-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Chard in Zone

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

Direct sow or transplant after last frost. Harvest outer leaves regularly to encourage continuous production. Chard tolerates both heat and light frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Corn
  • Cucumbers
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Saving Chard Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Chard in Zone 9a?

In Zone 9a, plan your Chard planting around the average last frost date of February 10. Start seeds indoors around January 13. Direct sow outdoors around January 20. Transplant seedlings around February 10.

Can Chard grow in Zone 9a?

Yes, Chard can grow well in Zone 9a, hardy in USDA zones 2a through 11b. Zone 9a has a growing season of approximately 303 days, which is sufficient for Chard (50-60 days to maturity).

When can I harvest Chard in Zone 9a?

In Zone 9a, expect to harvest Chard from April 7 – May 26. Chard takes 50-60 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 Chard?

Good companion plants for Chard include Lettuce, Onion, Cabbage, Tomatoes. 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.