When to Plant Sweet Corn

78%
sure
PROTECT
Sweet Corn - Sow outside

Plant with care

Average air temperature is comfortably above the crop base temperature.

78% local confidence

Field readings
Night13.4 C lows
Soil10 C minimum
Rain21.3 mm over snapshot
Wind25.4 C daytime highs
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Best window
After risk clears -> next window
Avoid
Today -> May 14, 2026
Night
13.4 C
Forecast lows are close to the crop cold threshold.
Heat
25.4 C
Watch the warmest afternoons after planting.
Rain
21.3 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. 1You can sow sweet corn, but protect young growth if nights dip.
  2. 2Keep fleece or cloches ready before sunset.
  3. 3Recheck the next cold night before planting a larger batch.
Nearby decisions

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