Growing Green Onion in Zone 3a
Zone 3a has harsh winters and a short growing season. Start Green Onion early indoors to maximize your harvest window. น้ำค้างแข็งครั้งสุดท้าย: May 22. น้ำค้างแข็งครั้งแรก: Sep 12.
Planting Calendar
Season: May 22 – Sep 12 (113 วัน) · Succession: plant every 3 weeks (up to 2x)
When to Plant Green Onion in Zone 3a
Start Seeds Indoors: Apr 10
Start Green Onion seeds indoors around Apr 10 (6 สัปดาห์ก่อนน้ำค้างแข็งครั้งสุดท้าย). Optimal germination temperature: 65F. Germinates in 7-14 days.
Transplant Outdoors: May 8
Transplant Green Onion seedlings outdoors after May 8. Wait until soil temperature reaches 40F. Space plants at 16/ตร.ม. (8cm ห่างกัน). Harden off plants for a week before moving outside.
Harvest: Jun 17
First harvest approximately Jun 17 (~40 วัน from transplant). Continue harvesting until first frost (Sep 12). Green Onion can overwinter in mild climates for continued harvest.
Fall Planting: Jul 18
For a fall harvest, plant Green Onion around Jul 18 (8 weeks before first frost).
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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 13bPlan Your Garden Green Onion
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