When should I plant Green Onion in Zone 9a?

Start Green Onion seeds indoors around Feb 6. Transplant outdoors after Mar 6. Expect first harvest around Apr 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 Green Onion in Zone 9a?

Yes. Green Onion needs 65 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 8 successions.

Growing Green Onion in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Green Onion. כפור אחרון: Mar 20. כפור ראשון: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 ימים) · Succession: plant every 3 weeks (up to 8x)

אזור9a

כפור אחרוןMar 20

כפור ראשוןNov 12

עונה237 ימים

קטיף65 ימים

שמשfull-to-part

When to Plant Green Onion in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Mar 6

Transplant Green Onion seedlings outdoors after Mar 6. Wait until soil temperature reaches 40F. Space plants at 16/מ² (8cm מרווח). Harden off plants for a week before moving outside.

Harvest: Apr 15

First harvest approximately Apr 15 (~40 ימים from transplant). Continue harvesting until first frost (Nov 12). Green Onion can overwinter in mild climates for continued harvest.

Fall Planting: Sep 17

For a fall harvest, plant Green Onion around Sep 17 (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