May in Formia
What to plant in May in Formia
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Formia in May.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing13 crops | Swiss chard, Carrot, Tuscan kale, Onion, Green bean, Fennel, Lettuce, Potato, Pea, Parsley, Radish, Arugula, Spinach | High96.85% |
| Start indoors14 crops | Broccoli, Tuscan kale, Cucumber, Onion, Fennel, Strawberry, Lettuce, Eggplant, Pepper, Tomato, Rosemary, Sage, Pumpkin, Zucchini | High80.21% |
| Transplants8 crops | Broccoli, Tuscan kale, Onion, Fennel, Strawberry, Lettuce, Rosemary, Sage | High94.88% |
| Wait0 crops | - | - |
Direct sowing (13)
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›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Green beanwindow: May 31harvest: July 19›
Fennelwindow: from May 5 to May 31harvest: from July 3 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Potatowindow: from May 1 to May 31harvest: from July 29 to August 28›
Start indoors (14)
Broccolistart indoors: March 7harvest: from June 16 to November 5›
Tuscan kalestart indoors: March 1harvest: from May 29 to November 22›
Cucumberstart indoors: May 22harvest: from July 31 to October 15›
Onionstart indoors: January 7harvest: from June 21 to December 6›
Fennelstart indoors: March 31harvest: from July 3 to November 5›
Strawberrystart indoors: March 15harvest: from June 10 to November 22›
Lettucestart indoors: March 21harvest: from May 22 to November 5›
Eggplantstart indoors: May 2harvest: from September 4 to October 15›
Transplants (8)
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›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Fennelwindow: from May 5 to May 31harvest: from July 3 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›
Rosemarywindow: from May 18 to May 31harvest: from July 16 to July 29›
Sagewindow: from May 1 to May 31harvest: from June 29 to July 29›
Wait (0)
- -
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing13 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 24Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Green beanwindow: May 31harvest: July 19Fennelwindow: from May 5 to May 31harvest: from July 3 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 4 | High96.85% |
| Start indoors14 crops | Broccolistart indoors: March 7harvest: from June 16 to November 5Tuscan kalestart indoors: March 1harvest: from May 29 to November 22Cucumberstart indoors: May 22harvest: from July 31 to October 15Onionstart indoors: January 7harvest: from June 21 to December 6Fennelstart indoors: March 31harvest: from July 3 to November 5Strawberrystart indoors: March 15harvest: from June 10 to November 22Lettucestart indoors: March 21harvest: from May 22 to November 5Eggplantstart indoors: May 2harvest: from September 4 to October 15Pepperstart indoors: April 21harvest: from August 19 to October 22Tomatostart indoors: May 1harvest: from August 20 to October 28Rosemarystart indoors: April 6harvest: from July 16 to November 5Sagestart indoors: March 12harvest: from June 21 to November 5Pumpkinstart indoors: May 22harvest: from September 9 to November 3Zucchinistart indoors: May 22harvest: from July 26 to October 13 | High80.21% |
| Transplants8 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 24Onionwindow: from May 1 to May 31harvest: from July 29 to August 28Fennelwindow: from May 5 to May 31harvest: from July 3 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 4Rosemarywindow: from May 18 to May 31harvest: from July 16 to July 29Sagewindow: from May 1 to May 31harvest: from June 29 to July 29 | High94.88% |
| Wait0 crops | - | - |
Direct sowing (13)
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›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Green beanwindow: May 31harvest: July 19›
Fennelwindow: from May 5 to May 31harvest: from July 3 to July 29›
Lettucewindow: from May 1 to May 31harvest: from June 4 to July 4›
Potatowindow: from May 1 to May 31harvest: from July 29 to August 28›
Start indoors (14)
Broccolistart indoors: March 7harvest: from June 16 to November 5›
Tuscan kalestart indoors: March 1harvest: from May 29 to November 22›
Cucumberstart indoors: May 22harvest: from July 31 to October 15›
Onionstart indoors: January 7harvest: from June 21 to December 6›
Fennelstart indoors: March 31harvest: from July 3 to November 5›
Strawberrystart indoors: March 15harvest: from June 10 to November 22›
Lettucestart indoors: March 21harvest: from May 22 to November 5›
Eggplantstart indoors: May 2harvest: from September 4 to October 15›
Transplants (8)
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›
Onionwindow: from May 1 to May 31harvest: from July 29 to August 28›
Fennelwindow: from May 5 to May 31harvest: from July 3 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›
Rosemarywindow: from May 18 to May 31harvest: from July 16 to July 29›
Sagewindow: from May 1 to May 31harvest: from June 29 to July 29›
Wait (0)
- -
Local climate
Altitude and microclimates
- Altitude range
- -1-1388 m a.s.l.
- Total altitude difference
- 1389 m
- Standard deviation
- 386.06 m
- Main altitude bands
- <300 m (47.6%), 600-899 m (20.03%)
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 Formia?
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%.
Which indoor seed start matters in May?
For Broccoli, the useful indoor seed period is from March 7 to July 27. The expected transplanting window is from April 18 to September 7 and it is best to start seedlings 42 days earlier.
What should I watch in May in Formia?
Check irrigation and soil moisture: the average dry spell reaches 10.37 days, even with average rain of 46.83 mm. Monthly averages: minimum 10.9 °C, maximum 21.93 °C, rain 46.83 mm, and dry spell 10.37 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
- 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
