Growing Green Onion in Zone 5b
Zone 5b has cold winters and a moderate growing season. Timing is key for Green Onion in this zone. น้ำค้างแข็งครั้งสุดท้าย: Apr 28. น้ำค้างแข็งครั้งแรก: Oct 8.
Planting Calendar
Season: Apr 28 – Oct 8 (163 วัน) · Succession: plant every 3 weeks (up to 4x)
When to Plant Green Onion in Zone 5b
Start Seeds Indoors: Mar 17
Start Green Onion seeds indoors around Mar 17 (6 สัปดาห์ก่อนน้ำค้างแข็งครั้งสุดท้าย). Optimal germination temperature: 65F. Germinates in 7-14 days.
Transplant Outdoors: Apr 14
Transplant Green Onion seedlings outdoors after Apr 14. Wait until soil temperature reaches 40F. Space plants at 16/ตร.ม. (8cm ห่างกัน). Harden off plants for a week before moving outside.
Harvest: May 24
First harvest approximately May 24 (~40 วัน from transplant). Continue harvesting until first frost (Oct 8). Green Onion can overwinter in mild climates for continued harvest.
Fall Planting: Aug 13
For a fall harvest, plant Green Onion around Aug 13 (8 weeks before first frost).
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Green Onion in Other Zones
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