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When to Plant Chinese Cabbage in USDA Zone 5a

Zone 5a Zone 5a June

June in Zone 5a — your action list

Your garden in Zone 5a is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost May 6
Avg. first frost October 6
  1. Get chinese cabbage seeds going inside

    Label every cell. You will absolutely forget which is which otherwise.

July will be here before you know it — start on
  • First harvests: chinese cabbage
  • Fall sowing: chinese cabbage
Get your free Zone 5a 2026 Planting Guide →

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 5a, the average last spring frost is around April 25 and the first fall frost is around October 8, giving you a growing season of approximately 166 days.

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Zone 5a Moderate season
166 days
Last Spring Frost April 25
166 growing days
First Fall Frost October 8

Chinese Cabbage Planting Timeline — Zone 5a

Where Is USDA Zone 5a?

The map below highlights the states that contain Zone 5a. 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 5a

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 11 Apr 11 – May 2
Harvest June 20 Jun 20 – Jul 18
Fall Sowing July 30 Jul 30 – Aug 13

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

Month-by-Month Timeline

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

Free Zone 5a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 5a 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

-20°F to -15°F average annual minimum

Growing Season

166 days (Zone 5a average)

Planting Specifications

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

Succession Planting Chinese Cabbage in Zone 5a

3
successive plantings in Zone 5a's ~166-day season

Sow every 5.7 weeks for continuous harvest throughout the season.

Growing Tips for Chinese Cabbage in Zone 5a

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 5a?

In Zone 5a, plan your Chinese Cabbage planting around the average last frost date of April 25. Start seeds indoors around March 21. Direct sow outdoors around April 11. Transplant seedlings around April 25.

Can Chinese Cabbage grow in Zone 5a?

Yes, Chinese Cabbage can grow well in Zone 5a, hardy in USDA zones 2a through 11b. Zone 5a has a growing season of approximately 166 days, which is sufficient for Chinese Cabbage (50-70 days to maturity).

When can I harvest Chinese Cabbage in Zone 5a?

In Zone 5a, expect to harvest Chinese Cabbage from June 20 – July 18. Chinese Cabbage takes 50-70 days from planting to harvest.

What is the last frost date for Zone 5a?

The average last spring frost in Zone 5a is around April 25, and the first fall frost is around October 8. This gives a growing season of approximately 166 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 Zone 5a Garden Planner — Free

A 22-page printable planner tailored to Zone 5a. 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: June 2026.

Sources & credits

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