When to Plant Zucchini (Courgette)

78%
sure
WAIT
Zucchini (Courgette) - Sow outside

Do not sow yet

Forecast low -0.2 C is at or below the crop cold threshold 14 C.

78% local confidence

Field readings
Night-0.2 C lows
Soil10 C minimum
Rain0.6 mm over snapshot
Wind17.2 C daytime highs
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Best window
After risk clears -> next window
Avoid
Today -> May 14, 2026
Night
-0.2 C
Forecast low -0.2 C is at or below the crop cold threshold 14 C.
Heat
17.2 C
Average air temperature is below the crop base temperature.
Rain
0.6 mm
Rainfall is part of this local sowing verdict.
Crop fit
10 C minimum
Forecast highs remain below the crop heat threshold.
Forecast strip

Planting window

From
After risk clears
First possible planting day
20
days min
Minimum season needed for zucchini (courgette) 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 zucchini (courgette).
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.
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