DibbleWhen to plant spinach in Zone 5
In Zone 5, the last spring frost usually passes around April 30 and the first fall frost arrives around October 1, leaving about 154 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Classic temperate season. Most vegetables and flowers do well with normal timing.
Planting windows for spinach in Zone 5
| Task | Window |
|---|---|
| Direct sow | Mar 19 to Apr 2 |
| Estimated harvest | May 3 to May 24 |
The harvest estimate counts 45 days to maturity, then a picking window of about 21 days. These windows use typical frost dates for Zone 5; Dibble pins them to your exact ZIP code.
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Spinach in a Zone 5 season
Zone 5 gives about 154 frost-free days. Spinach needs roughly 45 days from sowing. That leaves about 109 days of slack, so there is room for a late start or a second planting.
Sowing every 14 days, Zone 5 has room for about 8 plantings.
How to grow spinach
Sow spinach 6 weeks before last frost, it thrives in cold soil and bolts in heat. Succession sow for spring and fall harvests.
Companion plants
Good neighbors for Spinach:
Spinach in other zones
Not in Zone 5? Pick your zone for the same dated windows.
Keep exploring
Spinach: the full growing guide · The Zone 5 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.