Last frost in Biella: likely and cautious dates
Reference dates for frost risk in Biella.
Last frost in Biella
This page summarizes the historical frost dates that are most useful for deciding when to sow and transplant in Biella.
Reference dates
| indicator | date |
|---|---|
| Median last frost 0C | April 2 |
| Cautious last frost 0C | April 16 |
| Median last frost 2C | April 12 |
| Cautious last frost 2C | April 23 |
| Cautious first autumn frost 0C | November 2 |
| Cautious first autumn frost 2C | October 20 |
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
- Potato
Sensitive crops
FAQ
Which date should I use for sensitive transplants in Biella?
The most cautious date on this page is April 23 on the 2C threshold. For sensitive crops, use it as the reference before moving sowing or transplanting earlier.
Why also look at the 2C threshold?
The median 0C date is April 2, while the cautious 2C date is April 23. The 2C threshold is more cautious for cold nights, inversions, and exposed spots.
Can parts of Biella differ from this date?
No. In Biella, exposure, elevation, wind, and soil can move real risk earlier or later than the representative municipality point.
Which crops need extra care in Biella?
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.