When should I plant Korean Radish in Zone 9b?

Direct sow Korean Radish outdoors around Feb 3. Harvest around Mar 30.

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 Korean Radish in Zone 9b?

Yes. Korean Radish needs 55 days to harvest. Zone 9b has a 250-day growing season, which is sufficient. You can plant up to 13 successions.

Growing Korean Radish in Zone 9b

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Korean Radish. Last frost: Mar 10. First frost: Nov 15.

Planting Calendar

Outdoor

Harvest

Feb 3Nov 15

Season: Mar 10 – Nov 15 (250 days) · Succession: plant every 2 weeks (up to 13x)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest55

SunFull Sun

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Korean Radish in Zone 9b

Sow Seeds Outdoors: Feb 3

Direct sow Korean Radish seeds outdoors around Feb 3. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

Harvest: Mar 30

First harvest approximately Mar 30 (~55 days from planting). Continue harvesting until first frost (Nov 15).

Fall Planting: Oct 11

For a fall harvest, plant Korean Radish around Oct 11 (5 weeks before first frost).

Korean Radish 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 Korean Radish Garden

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

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