Black Radish illustration

Growing Black Radish in Zone 6a

Zone 6a has mild winters and a long growing season — good conditions for Black Radish. Last frost: Apr 28. First frost: Oct 8.

Planting Calendar

Outdoor
Harvest
Mar 24Oct 8

Season: Apr 28 – Oct 8 (163 days) · Succession: plant every 2 weeks (up to 7x)

Zone6a
Last FrostApr 28
First FrostOct 8
Season Length163 days
Days to Harvest60
SunFull Sun
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Black Radish in Zone 6a

Sow Seeds Outdoors: Mar 24

Direct sow Black Radish seeds outdoors around Mar 24. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

Harvest: May 23

First harvest approximately May 23 (~60 days from planting). Continue harvesting until first frost (Oct 8).

Fall Planting: Sep 3

For a fall harvest, plant Black Radish around Sep 3 (5 weeks before first frost).

Plan Your Black Radish Garden

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

Start Free Black Radish Growing Guide