When should I plant Green Onion in Zone 10a?

Start Green Onion seeds indoors around Jan 9. Transplant outdoors after Feb 6. Expect first harvest around Mar 18.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Green Onion in Zone 10a?

Yes. Green Onion needs 65 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 10 successions.

Growing Green Onion in Zone 10a

Zone 10a has a year-round growing season. Green Onion can be planted almost any time with proper planning. Sidste frost: Feb 20. Første frost: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 dage) · Succession: plant every 3 weeks (up to 10x)

Zone10a

Sidste frostFeb 20

Første frostDec 1

Sæson284 dage

Høst65 dage

Solfull-to-part

When to Plant Green Onion in Zone 10a

Start Seeds Indoors: Jan 9

Start Green Onion seeds indoors around Jan 9 (6 uger før sidste frost). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Feb 6

Transplant Green Onion seedlings outdoors after Feb 6. Wait until soil temperature reaches 40F. Space plants at 16/m² (8cm afstand). Harden off plants for a week before moving outside.

Harvest: Mar 18

First harvest approximately Mar 18 (~40 dage from transplant). Continue harvesting until first frost (Dec 1). Green Onion can overwinter in mild climates for continued harvest.

Fall Planting: Oct 6

For a fall harvest, plant Green Onion around Oct 6 (8 weeks before first frost).

Samdyrkning

✅ Gulerod ✅ Rødbede ✅ Salat ✅ Tomat✅ Pepper✅ Kål✅ Jordbær

❌ Bean❌ Ært

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