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When to plant onions in zone 8
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Onions in USDA zone 8
| Step | Dates |
|---|---|
| Start seeds indoors | Jan 14 – Jan 28 |
| Transplant outdoors | Feb 25 – Mar 18 |
| Expected first harvest | from Jun 5 |
Average zone 8 frost dates: last spring frost ≈ Mar 25, first fall frost ≈ Nov 10 (230 frost-free days). Local dates can vary by 2-3 weeks.
Plant sets or transplants 2-4 weeks before the last frost; pick long-day varieties in the north, short-day in the south.
FAQ
When to plant onions in zone 8?
Start seeds indoors: Jan 14 – Jan 28; Transplant outdoors: Feb 25 – Mar 18; Expected first harvest: from Jun 5.
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