When should I plant Soybean in Zone 9b?

Direct sow Soybean outdoors around Mar 17. Expect first harvest around Jul 5.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Soybean in Zone 9b?

Yes. Soybean needs 110 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Soybean in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Soybean. Darrera gelada: Mar 10. Primera gelada: Nov 15.

Planting Calendar

Outdoor

Harvest

Mar 17Nov 15

Season: Mar 10 – Nov 15 (250 dies)

Zona9b

Darrera geladaMar 10

Primera geladaNov 15

Temporada250 dies

Collita110 dies

SolSol Ple

When to Plant Soybean in Zone 9b

Sow Seeds Outdoors: Mar 17

Direct sow Soybean seeds outdoors around Mar 17. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm espaiat).

Harvest: Jul 5

First harvest approximately Jul 5 (~110 dies from planting). Continue harvesting until first frost (Nov 15).

Plantació Companya

✅ Blat de Moro ✅ Carbassa ✅ Sesame

❌ Ceba❌ All

Soybean 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 Soybean

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

Start Free Soybean Growing Guide