DibbleWhen to plant green onions in Zone 6
In Zone 6, the last spring frost usually passes around April 21 and the first fall frost arrives around October 17, leaving about 179 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Generous season. Spring and fall plantings both productive.
Planting windows for green onions in Zone 6
| Task | Window |
|---|---|
| Direct sow | Mar 24 to Apr 7 |
| Estimated harvest | May 23 to Jun 22 |
The harvest estimate counts 60 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.
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Green Onion in a Zone 6 season
Zone 6 gives about 179 frost-free days. Green Onion needs roughly 60 days from sowing. That leaves about 119 days of slack, so there is room for a late start or a second planting.
Sowing every 14 days, Zone 6 has room for about 9 plantings.
How to grow green onions
Sow scallions thickly 4 weeks before last frost and harvest young. Quick and hardy, succession sow for a steady supply.
Companion plants
Good neighbors for Green Onion:
Better kept apart:
Green Onion in other zones
Not in Zone 6? Pick your zone for the same dated windows.
Keep exploring
Green Onion: the full growing guide · The Zone 6 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.