When should I plant Black Radish in Zone 9a?

Direct sow Black Radish outdoors around Feb 13. Expect first harvest around Apr 14.

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 Black Radish in Zone 9a?

Yes. Black Radish needs 60 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 12 successions.

Growing Black Radish in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Black Radish. Siste frost: Mar 20. Første frost: Nov 12.

Planting Calendar

Outdoor

Harvest

Feb 13Nov 12

Season: Mar 20 – Nov 12 (237 dager) · Succession: plant every 2 weeks (up to 12x)

Sone9a

Siste frostMar 20

Første frostNov 12

Sesong237 dager

Høst60 dager

SolFull Sol

When to Plant Black Radish in Zone 9a

Sow Seeds Outdoors: Feb 13

Direct sow Black Radish seeds outdoors around Feb 13. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm avstand).

Harvest: Apr 14

First harvest approximately Apr 14 (~60 dager from planting). Continue harvesting until first frost (Nov 12).

Fall Planting: Oct 8

For a fall harvest, plant Black Radish around Oct 8 (5 weeks before first frost).

Black 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 Garden Black Radish

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

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