When to Plant Sweet Corn

78%
sure
WAIT
Sweet Corn - Sow outside

Wait for a safer window

Forecast low 5.1 C is at or below the crop cold threshold 12 C.

78% local confidence

Field readings
Night5.1 C lows
Soil10 C minimum
Rain23.8 mm over snapshot
Wind25.3 C daytime highs
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Best window
After risk clears -> next window
Avoid
Today -> May 14, 2026
Night
5.1 C
Forecast low 5.1 C is at or below the crop cold threshold 12 C.
Heat
25.3 C
Watch the warmest afternoons after planting.
Rain
23.8 mm
Forecast highs remain below the crop heat threshold.
Crop fit
10 C minimum
Average air temperature is comfortably above the crop base temperature.
Forecast strip

Planting window

From
After risk clears
First possible planting day
21
days min
Minimum season needed for sweet corn to yield
Up to
next window
Last strong planting day
Estimated first yield
22 Jan 2026
Based on planting 1 Jan 2026 plus 21 minimum days for sweet corn.
Do this next
  1. 1Wait for the main risk to clear before sowing outside.
  2. 2Check overnight lows first if seedlings or warm-season crops are involved.
  3. 3Use this verdict as a field decision, not as a fixed calendar date.
Nearby decisions

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