Growing Bok Choy in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Bok Choy. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 8Nov 10

Season: Mar 22 – Nov 10 (233 days) · Succession: plant every 2 weeks (up to 13x)

Zone8b

Last FrostMar 22

First FrostNov 10

Season Length233 days

Days to Harvest45

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Bok Choy in Zone 8b

Start Seeds Indoors: Feb 8

Start Bok Choy seeds indoors around Feb 8 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–8 days.

Transplant Outdoors: Mar 15

Transplant Bok Choy seedlings outdoors after Mar 15. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Apr 19

First harvest approximately Apr 19 (~35 days from transplant). Continue harvesting until first frost (Nov 10).

Fall Planting: Sep 22

For a fall harvest, plant Bok Choy around Sep 22 (7 weeks before first frost).

Companion Planting

✅ Carrots✅ Beets✅ Dill✅ Onions✅ Beans

❌ Strawberries

Bok Choy 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

Frequently Asked Questions

When should I plant Bok Choy in Zone 8b?

Start Bok Choy seeds indoors around Feb 8. Transplant outdoors after Mar 15. Expect first harvest around Apr 19.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Bok Choy in Zone 8b?

Yes. Bok Choy needs 45 days to harvest. Zone 8b has a 233-day growing season, which is sufficient. You can plant up to 13 successions.

What is the best month to plant Bok Choy in Zone 8b?

The best time to start Bok Choy in Zone 8b is Feb. Begin seeds indoors around Feb 8, then transplant outdoors after the last frost date of Mar 22.

What companion plants grow well with Bok Choy?

Good companion plants for Bok Choy include Carrots, Beets, Dill, Onions, Beans. Avoid planting Bok Choy near Strawberries.

How long does Bok Choy take to harvest?

Bok Choy takes approximately 45 days from planting to harvest. In Zone 8b, expect your first harvest around Apr 19.

Plan Your Bok Choy Garden

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

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