Chinese Broccoli illustration

Growing Chinese Broccoli in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Chinese Broccoli. Last frost: Mar 20. First frost: Nov 12.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 days)

Zone9a
Last FrostMar 20
First FrostNov 12
Season Length237 days
Days to Harvest60
SunFull Sun
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Chinese Broccoli in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Apr 3

Transplant Chinese Broccoli seedlings outdoors after Apr 3. 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 2

First harvest approximately Jun 2 (~60 days from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Aug 20

For a fall harvest, plant Chinese Broccoli around Aug 20 (12 weeks before first frost).

Frequently Asked Questions

When should I plant Chinese Broccoli in Zone 9a?

Start Chinese Broccoli seeds indoors around Feb 6. Transplant outdoors after Apr 3. Expect first harvest around Jun 2.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Chinese Broccoli in Zone 9a?

Yes. Chinese Broccoli needs 60 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

What is the best month to plant Chinese Broccoli in Zone 9a?

The best time to start Chinese Broccoli in Zone 9a is Feb. Begin seeds indoors around Feb 6, then transplant outdoors after the last frost date of Mar 20.

How long does Chinese Broccoli take to harvest?

Chinese Broccoli takes approximately 60 days from planting to harvest. In Zone 9a, expect your first harvest around Jun 2.

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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