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🧅 Growing Hành tây in Zone 1a
Zone 1a has harsh winters and a short growing season. Start Hành tây early indoors to maximize your harvest window. Sương giá cuối: 25 Th5. Sương giá đầu: 28 Th8.
Season Too Short
Hành tây needs 110 days to harvest, but Zone 1a has only a 95-day growing season. Consider short-season varieties or season extension techniques.
When to Plant Hành tây in Zone 1a
Start Seeds Indoors: 16 Th3
Start Hành tây seeds indoors around 16 Th3 (10 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 7-14 days.
Transplant Outdoors: 27 Th4
Transplant Hành tây seedlings outdoors after 27 Th4. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm khoảng cách). Harden off plants for a week before moving outside.
Harvest: 16 Th7
First harvest approximately 16 Th7 (~80 ngày from transplant). Continue harvesting until first frost (28 Th8).
Cây trồng đồng hành
Hành tây 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 Hành tây
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