When should I plant Soybean in Zone 9a?

Direct sow Soybean outdoors around Mar 27. Expect first harvest around Jul 15.

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.

Can I grow Soybean in Zone 9a?

Yes. Soybean needs 110 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

Growing Soybean in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Soybean. Τελευταίος παγετός: Mar 20. Πρώτος παγετός: Nov 12.

Planting Calendar

Outdoor

Harvest

Mar 27Nov 12

Season: Mar 20 – Nov 12 (237 ημέρες)

Ζώνη9a

Τελευταίος παγετόςMar 20

Πρώτος παγετόςNov 12

Περίοδος237 ημέρες

Συγκομιδή110 ημέρες

ΉλιοςΠλήρης Ήλιος

When to Plant Soybean in Zone 9a

Sow Seeds Outdoors: Mar 27

Direct sow Soybean seeds outdoors around Mar 27. Wait until soil temperature reaches 60F. Space plants at 4/μ² (15cm απόσταση).

Harvest: Jul 15

First harvest approximately Jul 15 (~110 ημέρες from planting). Continue harvesting until first frost (Nov 12).

Συντροφική Φύτευση

✅ Καλαμπόκι ✅ Κολοκύθα ✅ Sesame

❌ Κρεμμύδι❌ Σκόρδο

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