When should I plant Mostassa in Zone 12a?

Direct sow Mostassa outdoors around Dec 4. Expect first harvest around Jan 18.

What is the last frost date for Zone 12a?

The average last spring frost date for Zone 12a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Mostassa in Zone 12a?

Yes. Mostassa needs 45 days to harvest. Zone 12a has a 364-day growing season, which is sufficient. You can plant up to 22 successions.

Growing Mostassa in Zone 12a

Zone 12a has a year-round growing season. Mostassa can be planted almost any time with proper planning. Darrera gelada: Jan 1. Primera gelada: Dec 31.

Planting Calendar

Outdoor

Harvest

Dec 4Dec 31

Season: Jan 1 – Dec 31 (364 dies) · Succession: plant every 2 weeks (up to 22x)

Zona12a

Darrera geladaJan 1

Primera geladaDec 31

Temporada364 dies

Collita45 dies

SolMitja Ombra

When to Plant Mostassa in Zone 12a

Sow Seeds Outdoors: Dec 4

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

Harvest: Jan 18

First harvest approximately Jan 18 (~45 dies from planting). Continue harvesting until first frost (Dec 31).

Fall Planting: Nov 19

For a fall harvest, plant Mostassa around Nov 19 (6 weeks before first frost).

Mostassa 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 Mostassa

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

Start Free Mostassa Growing Guide