When should I plant Chinese Broccoli in Zone 1b?

Start Chinese Broccoli seeds indoors around Apr 13. Transplant outdoors after Jun 8. Expect first harvest around Aug 7.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Chinese Broccoli in Zone 1b?

Yes. Chinese Broccoli needs 60 days to harvest. Zone 1b has a 95-day growing season, which is sufficient.

Growing Chinese Broccoli in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Chinese Broccoli early indoors to maximize your harvest window. Viimeinen halla: May 25. Ensimmäinen halla: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 13Aug 28

Season: May 25 – Aug 28 (95 päivää)

Vyöhyke1b

Viimeinen hallaMay 25

Ensimmäinen hallaAug 28

Kausi95 päivää

Sato60 päivää

AurinkoTäysi Aurinko

When to Plant Chinese Broccoli in Zone 1b

Start Seeds Indoors: Apr 13

Start Chinese Broccoli seeds indoors around Apr 13 (6 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: Jun 8

Transplant Chinese Broccoli seedlings outdoors after Jun 8. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm välein). Harden off plants for a week before moving outside.

Harvest: Aug 7

First harvest approximately Aug 7 (~60 päivää from transplant). Continue harvesting until first frost (Aug 28).

Fall Planting: Jun 5

For a fall harvest, plant Chinese Broccoli around Jun 5 (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

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