Last frost in Alessandria: likely and cautious dates
Reference dates for frost risk in Alessandria.
Last frost in Alessandria
This page summarizes the historical frost dates that are most useful for deciding when to sow and transplant in Alessandria.
Reference dates
| indicator | date |
|---|---|
| Median last frost 0C | March 13 |
| Cautious last frost 0C | March 27 |
| Median last frost 2C | March 30 |
| Cautious last frost 2C | April 12 |
| Cautious first autumn frost 0C | November 17 |
| Cautious first autumn frost 2C | October 30 |
Difference between 0C and 2C
What to sow before the cautious date
- Swiss chard
- Carrot
- Tuscan kale
- Onion
- Strawberry
- Pea
- Radish
- Arugula
- Spinach
What to sow after the cautious date
- Garlic
- Swiss chard
- Broccoli
- Carrot
- Tuscan kale
- Cucumber
- Onion
- Green bean
- Fennel
- Strawberry
- Lettuce
- Eggplant
Sensitive crops
FAQ
When does the main frost risk end in Alessandria?
The most cautious date on this page is April 12 on the 2C threshold. For sensitive crops, use it as the reference before moving sowing or transplanting earlier.
When should I use the 0C date and the 2C date?
The median 0C date is March 13, while the cautious 2C date is April 12. The 2C threshold is more cautious for cold nights, inversions, and exposed spots.
How should I adapt the frost date inside Alessandria?
No. In Alessandria, exposure, elevation, wind, and soil can move real risk earlier or later than the representative municipality point.
Which crops are most sensitive near the last frost?
In the local rules, the more sensitive crops include: Garlic, Basil, Swiss chard, Broccoli, Carrot, Tuscan kale. For these crops, the cautious date and night protection matter more.