Last frost in Bolzano: likely and cautious dates
Reference dates for frost risk in Bolzano.
Last frost in Bolzano
This page summarizes the historical frost dates that are most useful for deciding when to sow and transplant in Bolzano.
Reference dates
| indicator | date |
|---|---|
| Median last frost 0C | May 30 |
| Cautious last frost 0C | June 12 |
| Median last frost 2C | June 20 |
| Cautious last frost 2C | June 25 |
| Cautious first autumn frost 0C | September 2 |
| Cautious first autumn frost 2C | August 28 |
Difference between 0C and 2C
What to sow before the cautious date
- Onion
- Radish
- Arugula
What to sow after the cautious date
- Radish
- Arugula
- Spinach
Sensitive crops
FAQ
What is the cautious garden date for Bolzano?
The most cautious date on this page is June 25 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 May 30, while the cautious 2C date is June 25. The 2C threshold is more cautious for cold nights, inversions, and exposed spots.
How should I adapt the frost date inside Bolzano?
No. In Bolzano, 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: Basil, Broccoli, Tuscan kale, Cucumber, Onion, Fennel. For these crops, the cautious date and night protection matter more.