When should I plant Green Onion in Zone 9b?

Start Green Onion seeds indoors around Jan 27. Transplant outdoors after Feb 24. Expect first harvest around Apr 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 Green Onion in Zone 9b?

Yes. Green Onion needs 65 days to harvest. Zone 9b has a 250-day growing season, which is sufficient. You can plant up to 8 successions.

Growing Green Onion in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Green Onion. כפור אחרון: Mar 10. כפור ראשון: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 ימים) · Succession: plant every 3 weeks (up to 8x)

אזור9b

כפור אחרוןMar 10

כפור ראשוןNov 15

עונה250 ימים

קטיף65 ימים

שמשfull-to-part

When to Plant Green Onion in Zone 9b

Start Seeds Indoors: Jan 27

Start Green Onion seeds indoors around Jan 27 (6 שבועות לפני הכפור האחרון). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Feb 24

Transplant Green Onion seedlings outdoors after Feb 24. Wait until soil temperature reaches 40F. Space plants at 16/מ² (8cm מרווח). Harden off plants for a week before moving outside.

Harvest: Apr 5

First harvest approximately Apr 5 (~40 ימים from transplant). Continue harvesting until first frost (Nov 15). Green Onion can overwinter in mild climates for continued harvest.

Fall Planting: Sep 20

For a fall harvest, plant Green Onion around Sep 20 (8 weeks before first frost).

שתילה מלווה

✅ גזר ✅ סלק ✅ חסה ✅ עגבניה✅ Pepper✅ כרוב✅ תותים

❌ Bean❌ אפונה

Green Onion 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 Green Onion

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

Start Free Green Onion Growing Guide