When should I plant Chinese Broccoli in Zone 5b?

Start Chinese Broccoli seeds indoors around Mar 17. Transplant outdoors after May 12. Expect first harvest around Jul 11.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Chinese Broccoli in Zone 5b?

Yes. Chinese Broccoli needs 60 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

Growing Chinese Broccoli in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Chinese Broccoli in this zone. Siste frost: Apr 28. Første frost: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 17Oct 8

Season: Apr 28 – Oct 8 (163 dager)

Sone5b

Siste frostApr 28

Første frostOct 8

Sesong163 dager

Høst60 dager

SolFull Sol

When to Plant Chinese Broccoli in Zone 5b

Start Seeds Indoors: Mar 17

Start Chinese Broccoli seeds indoors around Mar 17 (6 uker før siste frost). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: May 12

Transplant Chinese Broccoli seedlings outdoors after May 12. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm avstand). Harden off plants for a week before moving outside.

Harvest: Jul 11

First harvest approximately Jul 11 (~60 dager from transplant). Continue harvesting until first frost (Oct 8).

Fall Planting: Jul 16

For a fall harvest, plant Chinese Broccoli around Jul 16 (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 Garden Chinese Broccoli

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

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