Last frost in Bologna: likely and cautious dates
Reference dates for frost risk in Bologna.
Last frost in Bologna
This page summarizes the historical frost dates that are most useful for deciding when to sow and transplant in Bologna.
Reference dates
| indicator | date |
|---|---|
| Median last frost 0C | March 19 |
| Cautious last frost 0C | April 1 |
| Median last frost 2C | April 2 |
| Cautious last frost 2C | April 14 |
| Cautious first autumn frost 0C | November 16 |
| 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
What is the cautious garden date for Bologna?
The most cautious date on this page is April 14 on the 2C threshold. For sensitive crops, use it as the reference before moving sowing or transplanting earlier.
What is the difference between 0C and 2C in Bologna?
The median 0C date is March 19, while the cautious 2C date is April 14. The 2C threshold is more cautious for cold nights, inversions, and exposed spots.
Can parts of Bologna differ from this date?
No. In Bologna, 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, Swiss chard, Broccoli, Carrot, Tuscan kale, Cucumber. For these crops, the cautious date and night protection matter more.