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When to Plant Chinese Cabbage in USDA Zone 6a

Zone 6a Zone 6a May

Your May planting checklist for Zone 6a

Your Zone 6a garden is entering a new phase. Here's what's on the schedule for May and why each task matters now.

Avg. last frost April 27
Avg. first frost October 16
Get ahead of June
  • Starting indoors: chinese cabbage
  • First harvests: chinese cabbage
Download your personalised Zone 6a planting plan →

Chinese cabbage (Napa cabbage) forms elongated, barrel-shaped heads with tender, mild-flavored leaves. It is a staple in Asian cooking, particularly for kimchi.

In Zone 6a, the average last spring frost is around April 10 and the first fall frost is around October 20, giving you a growing season of approximately 193 days.

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Zone 6a Moderate season
193 days
Last Spring Frost April 10
193 growing days
First Fall Frost October 20

Chinese Cabbage Planting Timeline — Zone 6a

Where Is USDA Zone 6a?

The map below highlights the states that contain Zone 6a. Click any state to see the Chinese Cabbage planting schedule for that location.

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

Chinese Cabbage Planting Calendar — Zone 6a

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow March 27 Mar 27 – Apr 17
Harvest June 5 Jun 5 – Jul 3
Fall Sowing August 11 Aug 11 – Aug 25

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

Month-by-Month Timeline

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

Free Zone 6a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Partial Shade (3-6 hours)

💧 Water

High — keep soil consistently moist

Days to Maturity

50–70 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

193 days (Zone average)

Planting Specifications

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

Succession Planting Chinese Cabbage in Zone

4
successive plantings in Zone 's ~193-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Chinese Cabbage in Zone

Zone has a short growing season (~193 days). Start Chinese Cabbage indoors early and use season-extension techniques like row covers and cold frames.

Best grown as a fall crop to avoid bolting. Start seeds indoors or direct sow in late summer. Keep soil consistently moist and provide shade in warm weather.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes
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Saving Chinese Cabbage 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 Chinese Cabbage in Zone 6a?

In Zone 6a, plan your Chinese Cabbage planting around the average last frost date of April 10. Start seeds indoors around March 6. Direct sow outdoors around March 27. Transplant seedlings around April 10.

Can Chinese Cabbage grow in Zone 6a?

Yes, Chinese Cabbage can grow well in Zone 6a, hardy in USDA zones 2a through 11b. Zone 6a has a growing season of approximately 193 days, which is sufficient for Chinese Cabbage (50-70 days to maturity).

When can I harvest Chinese Cabbage in Zone 6a?

In Zone 6a, expect to harvest Chinese Cabbage from June 5 – July 3. Chinese Cabbage takes 50-70 days from planting to harvest.

What is the last frost date for Zone 6a?

The average last spring frost in Zone 6a is around April 10, and the first fall frost is around October 20. This gives a growing season of approximately 193 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Chinese Cabbage?

Good companion plants for Chinese Cabbage include Celery, Onion, Beets. 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.