When should I plant Chinese Broccoli in Zone 6b?

Start Chinese Broccoli seeds indoors around Mar 4. Transplant outdoors after Apr 29. Expect first harvest around Jun 28.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Chinese Broccoli in Zone 6b?

Yes. Chinese Broccoli needs 60 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

Growing Chinese Broccoli in Zone 6b

Zone 6b has mild winters and a long growing season — good conditions for Chinese Broccoli. Last frost: Apr 15. First frost: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 4Oct 22

Season: Apr 15 – Oct 22 (190 days)

Zone6b

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest60

SunFull Sun

Frost ToleranceHeavy

Spacing4/sqft (6" apart)

When to Plant Chinese Broccoli in Zone 6b

Start Seeds Indoors: Mar 4

Start Chinese Broccoli seeds indoors around Mar 4 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 29

Transplant Chinese Broccoli seedlings outdoors after Apr 29. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 28

First harvest approximately Jun 28 (~60 days from transplant). Continue harvesting until first frost (Oct 22).

Fall Planting: Jul 30

For a fall harvest, plant Chinese Broccoli around Jul 30 (12 weeks before first frost).

Chinese Broccoli in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Chinese Broccoli Garden

Track Chinese Broccoli from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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