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.

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

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

Outdoor

Harvest

Mar 17Nov 15

Season: Mar 10 – Nov 15 (250 dager)

Sone9b

Siste frostMar 10

Første frostNov 15

Sesong250 dager

Høst110 dager

SolFull Sol

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

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

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