When to Plant Cucumber

78%
sure
WAIT
Cucumber - Sow outside

Do not sow yet

Forecast low 4.7 C is at or below the crop cold threshold 18 C.

78% local confidence

Field readings
Night4.7 C lows
Soil10 C minimum
Rain1.2 mm over snapshot
Wind21.7 C daytime highs
Need seed or starts?

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Best window
After risk clears -> next window
Avoid
Today -> May 14, 2026
Night
4.7 C
Forecast low 4.7 C is at or below the crop cold threshold 18 C.
Heat
21.7 C
Rainfall looks low for establishment; watering may be needed.
Rain
1.2 mm
Forecast highs remain below the crop heat threshold.
Crop fit
10 C minimum
Average air temperature is near the crop base temperature.
Forecast strip

Planting window

From
After risk clears
First possible planting day
20
days min
Minimum season needed for cucumber to yield
Up to
next window
Last strong planting day
Estimated first yield
21 Jan 2026
Based on planting 1 Jan 2026 plus 20 minimum days for cucumber.
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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