Growing Green Onion in Zone 9a
Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Green Onion. น้ำค้างแข็งครั้งสุดท้าย: Mar 20. น้ำค้างแข็งครั้งแรก: Nov 12.
Planting Calendar
Season: Mar 20 – Nov 12 (237 วัน) · Succession: plant every 3 weeks (up to 8x)
When to Plant Green Onion in Zone 9a
Start Seeds Indoors: Feb 6
Start Green Onion seeds indoors around Feb 6 (6 สัปดาห์ก่อนน้ำค้างแข็งครั้งสุดท้าย). 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/ตร.ม. (8cm ห่างกัน). Harden off plants for a week before moving outside.
Harvest: Apr 15
First harvest approximately Apr 15 (~40 วัน 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).
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Green Onion in Other Zones
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