May in Guidonia Montecelio
What to plant in May in Guidonia Montecelio
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Guidonia Montecelio in May.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing16 crops | Swiss chard, Carrot, Tuscan kale, Cucumber, Onion, Green bean, Fennel, Lettuce, Potato, Pea, Parsley, Radish, Arugula, Spinach, Pumpkin, Zucchini | High95.38% |
| Start indoors13 crops | Broccoli, Tuscan kale, Cucumber, Fennel, Strawberry, Lettuce, Eggplant, Pepper, Tomato, Rosemary, Sage, Pumpkin, Zucchini | High81% |
| Transplants12 crops | Broccoli, Tuscan kale, Cucumber, Onion, Fennel, Strawberry, Lettuce, Tomato, Rosemary, Sage, Pumpkin, Zucchini | High93.5% |
| Wait0 crops | - | - |
Direct sowing (16)
Swiss chardwindow: from May 1 to May 31harvest: from June 19 to July 19›
Carrotwindow: from May 1 to May 31harvest: from June 29 to July 29›
Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24›
Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Green beanwindow: from May 6 to May 31harvest: from June 24 to July 19›
Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Start indoors (13)
Broccolistart indoors: February 18harvest: from May 29 to November 17›
Tuscan kalestart indoors: February 18harvest: from May 17 to December 6›
Cucumberstart indoors: May 9harvest: from July 18 to October 31›
Fennelstart indoors: March 16harvest: from June 18 to November 17›
Strawberrystart indoors: February 29harvest: from May 26 to December 5›
Lettucestart indoors: March 3harvest: from May 4 to November 17›
Eggplantstart indoors: April 10harvest: from August 13 to October 27›
Pepperstart indoors: April 7harvest: from August 5 to October 31›
Transplants (12)
Broccoliwindow: from May 1 to May 31harvest: from June 29 to July 29›
Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24›
Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29›
Strawberrywindow: from May 1 to May 31harvest: from June 29 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Tomatowindow: from May 30 to May 31harvest: from August 7 to August 8›
Wait (0)
- -
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing16 crops | Swiss chardwindow: from May 1 to May 31harvest: from June 19 to July 19Carrotwindow: from May 1 to May 31harvest: from June 29 to July 29Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Green beanwindow: from May 6 to May 31harvest: from June 24 to July 19Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4Potatowindow: from May 1 to May 31harvest: from July 29 to August 28Peawindow: from May 1 to May 31harvest: from June 24 to July 24Parsleywindow: from May 1 to May 31harvest: from July 19 to August 18Radishwindow: from May 1 to May 31harvest: from May 25 to June 24Arugulawindow: from May 1 to May 31harvest: from May 25 to June 24Spinachwindow: from May 1 to May 31harvest: from June 4 to July 4Pumpkinwindow: from May 30 to May 31harvest: from August 27 to August 28Zucchiniwindow: from May 30 to May 31harvest: from July 13 to July 14 | High95.38% |
| Start indoors13 crops | Broccolistart indoors: February 18harvest: from May 29 to November 17Tuscan kalestart indoors: February 18harvest: from May 17 to December 6Cucumberstart indoors: May 9harvest: from July 18 to October 31Fennelstart indoors: March 16harvest: from June 18 to November 17Strawberrystart indoors: February 29harvest: from May 26 to December 5Lettucestart indoors: March 3harvest: from May 4 to November 17Eggplantstart indoors: April 10harvest: from August 13 to October 27Pepperstart indoors: April 7harvest: from August 5 to October 31Tomatostart indoors: April 18harvest: from August 7 to November 6Rosemarystart indoors: March 12harvest: from June 21 to November 17Sagestart indoors: March 7harvest: from June 16 to November 17Pumpkinstart indoors: May 9harvest: from August 27 to November 16Zucchinistart indoors: May 9harvest: from July 13 to October 30 | High81% |
| Transplants12 crops | Broccoliwindow: from May 1 to May 31harvest: from June 29 to July 29Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29Strawberrywindow: from May 1 to May 31harvest: from June 29 to July 29Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4Tomatowindow: from May 30 to May 31harvest: from August 7 to August 8Rosemarywindow: from May 1 to May 31harvest: from June 29 to July 29Sagewindow: from May 1 to May 31harvest: from June 29 to July 29Pumpkinwindow: from May 30 to May 31harvest: from August 27 to August 28Zucchiniwindow: from May 30 to May 31harvest: from July 13 to July 14 | High93.5% |
| Wait0 crops | - | - |
Direct sowing (16)
Swiss chardwindow: from May 1 to May 31harvest: from June 19 to July 19›
Carrotwindow: from May 1 to May 31harvest: from June 29 to July 29›
Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24›
Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Green beanwindow: from May 6 to May 31harvest: from June 24 to July 19›
Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Start indoors (13)
Broccolistart indoors: February 18harvest: from May 29 to November 17›
Tuscan kalestart indoors: February 18harvest: from May 17 to December 6›
Cucumberstart indoors: May 9harvest: from July 18 to October 31›
Fennelstart indoors: March 16harvest: from June 18 to November 17›
Strawberrystart indoors: February 29harvest: from May 26 to December 5›
Lettucestart indoors: March 3harvest: from May 4 to November 17›
Eggplantstart indoors: April 10harvest: from August 13 to October 27›
Pepperstart indoors: April 7harvest: from August 5 to October 31›
Transplants (12)
Broccoliwindow: from May 1 to May 31harvest: from June 29 to July 29›
Tuscan kalewindow: from May 1 to May 31harvest: from June 24 to July 24›
Cucumberwindow: from May 30 to May 31harvest: from July 18 to July 19›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Fennelwindow: from May 1 to May 31harvest: from June 29 to July 29›
Strawberrywindow: from May 1 to May 31harvest: from June 29 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Tomatowindow: from May 30 to May 31harvest: from August 7 to August 8›
Wait (0)
- -
Method and limits
Which crop has the clearest window in May in Guidonia Montecelio?
Start with Swiss chard for direct sowing during from May 1 to May 31. The estimated harvest is from June 19 to July 19 and the best estimated success rate is 100%.
Should I use indoor seed starting in May in Guidonia Montecelio?
For Broccoli, the useful indoor seed period is from February 18 to August 8. The expected transplanting window is from March 31 to September 19 and it is best to start seedlings 42 days earlier.
What should I watch in May in Guidonia Montecelio?
Check irrigation and soil moisture: the average dry spell reaches 11.33 days, even with average rain of 52.39 mm. Monthly averages: minimum 12.69 °C, maximum 23.42 °C, rain 52.39 mm, and dry spell 11.33 days.
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
- Local historical climate: NASA POWER Daily API
- Representative weather point: GeoNames
- Crop needs: OrtoClima
- Last data update: June 21, 2026
