Senapskrasse illustration

Growing Senapskrasse in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Senapskrasse in this zone. Sista frost: May 5. Första frost: Oct 1.

Planting Calendar

Outdoor
Harvest
Apr 7Oct 1

Season: May 5 – Oct 1 (149 dagar) · Succession: plant every 2 weeks (up to 7x)

Zon4a
Sista frostMay 5
Första frostOct 1
Säsong149 dagar
Skörd45 dagar
SolHalvskugga

When to Plant Senapskrasse in Zone 4a

Sow Seeds Outdoors: Apr 7

Direct sow Senapskrasse seeds outdoors around Apr 7. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm avstånd).

Harvest: May 22

First harvest approximately May 22 (~45 dagar from planting). Continue harvesting until first frost (Oct 1).

Fall Planting: Aug 20

For a fall harvest, plant Senapskrasse around Aug 20 (6 weeks before first frost).

Plan Your Garden Senapskrasse

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

Start Free Senapskrasse Growing Guide