May in Trento
What to plant in May in Trento
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Trento in May.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing10 crops | Swiss chard, Carrot, Tuscan kale, Onion, Lettuce, Potato, Pea, Radish, Arugula, Spinach | High83.2% |
| Start indoors7 crops | Broccoli, Tuscan kale, Onion, Fennel, Strawberry, Lettuce, Sage | High80.43% |
| Transplants5 crops | Broccoli, Tuscan kale, Onion, Strawberry, Lettuce | High84% |
| Wait1 crop | Parsley | Low53% |
Direct sowing (10)
Swiss chardwindow: from May 19 to May 31harvest: from July 7 to July 19›
Carrotwindow: from May 19 to May 31harvest: from July 17 to July 29›
Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4›
Potatowindow: from May 28 to May 31harvest: from August 25 to August 28›
Peawindow: from May 16 to May 31harvest: from July 9 to July 24›
Radishwindow: from May 16 to May 31harvest: from June 9 to June 24›
Start indoors (7)
Broccolistart indoors: April 15harvest: from July 25 to September 14›
Tuscan kalestart indoors: April 11harvest: from July 9 to October 5›
Onionstart indoors: February 2harvest: from July 17 to October 19›
Fennelstart indoors: May 17harvest: from August 19 to September 13›
Strawberrystart indoors: April 19harvest: from July 15 to October 5›
Lettucestart indoors: April 29harvest: from June 30 to September 14›
Sagestart indoors: May 6harvest: from August 15 to September 14›
Transplants (5)
Broccoliwindow: from May 27 to May 31harvest: from July 25 to July 29›
Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Strawberrywindow: from May 17 to May 31harvest: from July 15 to July 29›
Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4›
Wait (1)
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing10 crops | Swiss chardwindow: from May 19 to May 31harvest: from July 7 to July 19Carrotwindow: from May 19 to May 31harvest: from July 17 to July 29Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4Potatowindow: from May 28 to May 31harvest: from August 25 to August 28Peawindow: from May 16 to May 31harvest: from July 9 to July 24Radishwindow: from May 16 to May 31harvest: from June 9 to June 24Arugulawindow: from May 16 to May 31harvest: from June 9 to June 24Spinachwindow: from May 16 to May 31harvest: from June 19 to July 4 | High83.2% |
| Start indoors7 crops | Broccolistart indoors: April 15harvest: from July 25 to September 14Tuscan kalestart indoors: April 11harvest: from July 9 to October 5Onionstart indoors: February 2harvest: from July 17 to October 19Fennelstart indoors: May 17harvest: from August 19 to September 13Strawberrystart indoors: April 19harvest: from July 15 to October 5Lettucestart indoors: April 29harvest: from June 30 to September 14Sagestart indoors: May 6harvest: from August 15 to September 14 | High80.43% |
| Transplants5 crops | Broccoliwindow: from May 27 to May 31harvest: from July 25 to July 29Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Strawberrywindow: from May 17 to May 31harvest: from July 15 to July 29Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4 | High84% |
| Wait1 crop | Parsleywindow: from May 30 to May 31harvest: from August 17 to August 18 | Low53% |
Direct sowing (10)
Swiss chardwindow: from May 19 to May 31harvest: from July 7 to July 19›
Carrotwindow: from May 19 to May 31harvest: from July 17 to July 29›
Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4›
Potatowindow: from May 28 to May 31harvest: from August 25 to August 28›
Peawindow: from May 16 to May 31harvest: from July 9 to July 24›
Radishwindow: from May 16 to May 31harvest: from June 9 to June 24›
Start indoors (7)
Broccolistart indoors: April 15harvest: from July 25 to September 14›
Tuscan kalestart indoors: April 11harvest: from July 9 to October 5›
Onionstart indoors: February 2harvest: from July 17 to October 19›
Fennelstart indoors: May 17harvest: from August 19 to September 13›
Strawberrystart indoors: April 19harvest: from July 15 to October 5›
Lettucestart indoors: April 29harvest: from June 30 to September 14›
Sagestart indoors: May 6harvest: from August 15 to September 14›
Transplants (5)
Broccoliwindow: from May 27 to May 31harvest: from July 25 to July 29›
Tuscan kalewindow: from May 16 to May 31harvest: from July 9 to July 24›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Strawberrywindow: from May 17 to May 31harvest: from July 15 to July 29›
Lettucewindow: from May 27 to May 31harvest: from June 30 to July 4›
Wait (1)
Local climate
Altitude and microclimates
- Altitude range
- 176-2143 m a.s.l.
- Total altitude difference
- 1967 m
- Standard deviation
- 438.96 m
- Main altitude bands
- 300-599 m (28.12%), <300 m (26.46%)
In a municipality with this much terrain variation, frost, soil warming, and heat stress can differ between valley or lowland gardens and higher hamlets. Use this month's windows as an average guide and adjust sowing and transplanting to the garden's actual altitude.
Method and limits
Which crop has the clearest window in May in Trento?
Start with Swiss chard for direct sowing during from May 19 to May 31. The estimated harvest is from July 7 to July 19 and the best estimated success rate is 80%.
Should I use indoor seed starting in May in Trento?
For Broccoli, the useful indoor seed period is from April 15 to June 5. The expected transplanting window is from May 27 to July 17 and it is best to start seedlings 42 days earlier.
What limits May most in Trento?
Check drainage and standing water: average rain is 100.12 mm. Monthly averages: minimum 6.63 °C, maximum 16.1 °C, rain 100.12 mm, and dry spell 6.17 days.
What makes Parsley cautious this month?
The available Parsley window is from May 30 to May 31 and remains classified as risky. The best estimated success rate is 53%; before starting, check: overall climate risk is moderate.
Sources and limits
Use these dates as practical guidance, not fixed deadlines. Exposure, soil, containers, irrigation, and the next few days' forecast can move the right timing earlier or later.
- Municipality registry: ISTAT
- Municipal altimetry and altitude bands: ISTAT geographic statistics for municipalities 2021
- Local historical climate: NASA POWER Daily API
- Representative weather point: GeoNames
- Crop needs: OrtoClima
- Last data update: June 21, 2026

