Black Radish illustration

Growing Black Radish in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Black Radish early indoors to maximize your harvest window. Darrera gelada: May 15. Primera gelada: Sep 22.

Planting Calendar

Outdoor
Harvest
Apr 10Sep 22

Season: May 15 – Sep 22 (130 dies) · Succession: plant every 2 weeks (up to 5x)

Zona3b
Darrera geladaMay 15
Primera geladaSep 22
Temporada130 dies
Collita60 dies
SolSol Ple

When to Plant Black Radish in Zone 3b

Sow Seeds Outdoors: Apr 10

Direct sow Black Radish seeds outdoors around Apr 10. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm espaiat).

Harvest: Jun 9

First harvest approximately Jun 9 (~60 dies from planting). Continue harvesting until first frost (Sep 22).

Fall Planting: Aug 18

For a fall harvest, plant Black Radish around Aug 18 (5 weeks before first frost).

Plan Your Garden Black Radish

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

Start Free Black Radish Growing Guide