When should I plant Chinese Broccoli in Zone 9b?

Start Chinese Broccoli seeds indoors around Jan 27. Transplant outdoors after Mar 24. Expect first harvest around May 23.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Chinese Broccoli in Zone 9b?

Yes. Chinese Broccoli needs 60 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Chinese Broccoli in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Chinese Broccoli. Siste frost: Mar 10. Første frost: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 dager)

Sone9b

Siste frostMar 10

Første frostNov 15

Sesong250 dager

Høst60 dager

SolFull Sol

When to Plant Chinese Broccoli in Zone 9b

Start Seeds Indoors: Jan 27

Start Chinese Broccoli seeds indoors around Jan 27 (6 uker før siste frost). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: Mar 24

Transplant Chinese Broccoli seedlings outdoors after Mar 24. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm avstand). Harden off plants for a week before moving outside.

Harvest: May 23

First harvest approximately May 23 (~60 dager from transplant). Continue harvesting until first frost (Nov 15).

Fall Planting: Aug 23

For a fall harvest, plant Chinese Broccoli around Aug 23 (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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