When should I plant Sennep in Zone 9a?

Direct sow Sennep outdoors around Feb 20. Expect first harvest around Apr 6.

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.

Yes. Sennep needs 45 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 13 successions.

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

Outdoor

Harvest

Feb 20Nov 12

Season: Mar 20 – Nov 12 (237 dage) · Succession: plant every 2 weeks (up to 13x)

Zone9a

Sidste frostMar 20

Første frostNov 12

Sæson237 dage

Høst45 dage

SolHalvskygge

Direct sow Sennep seeds outdoors around Feb 20. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm afstand).

First harvest approximately Apr 6 (~45 dage from planting). Continue harvesting until first frost (Nov 12).

For a fall harvest, plant Sennep around Oct 1 (6 weeks before first frost).

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

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