Chinese Broccoli illustration

Growing Chinese Broccoli in Zone 10a

Zone 10a has a year-round growing season. Chinese Broccoli can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.

Planting Calendar

Indoor
Outdoor
Harvest
Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 days)

Zone10a
Last FrostFeb 20
First FrostDec 1
Season Length284 days
Days to Harvest60
SunFull Sun
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Chinese Broccoli in Zone 10a

Start Seeds Indoors: Jan 9

Start Chinese Broccoli seeds indoors around Jan 9 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Mar 6

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

Harvest: May 5

First harvest approximately May 5 (~60 days from transplant). Continue harvesting until first frost (Dec 1).

Fall Planting: Sep 8

For a fall harvest, plant Chinese Broccoli around Sep 8 (12 weeks before first frost).

Plan Your Chinese Broccoli Garden

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

Start Free Chinese Broccoli Growing Guide