March in Guidonia Montecelio
What to plant in March in Guidonia Montecelio
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Guidonia Montecelio in March.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing10 crops | Swiss chard, Carrot, Tuscan kale, Onion, Lettuce, Potato, Pea, Radish, Arugula, Spinach | High81% |
| Start indoors7 crops | Broccoli, Tuscan kale, Fennel, Strawberry, Lettuce, Rosemary, Sage | High80.43% |
| Transplants5 crops | Broccoli, Tuscan kale, Onion, Strawberry, Lettuce | High82% |
| Wait1 crop | Parsley | Medium57% |
Direct sowing (10)
Swiss chardwindow: from March 28 to March 31harvest: from May 16 to May 19›
Carrotwindow: from March 28 to March 31harvest: from May 26 to May 29›
Tuscan kalewindow: from March 24 to March 31harvest: from May 17 to May 24›
Onionwindow: from March 1 to March 31harvest: from May 29 to June 28›
Lettucewindow: March 31harvest: May 4›
Potatowindow: March 31harvest: June 28›
Peawindow: from March 24 to March 31harvest: from May 17 to May 24›
Radishwindow: from March 24 to March 31harvest: from April 17 to April 24›
Start indoors (7)
Broccolistart indoors: February 18harvest: from May 29 to November 17›
Tuscan kalestart indoors: February 18harvest: from May 17 to December 6›
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›
Rosemarystart indoors: March 12harvest: from June 21 to November 17›
Sagestart indoors: March 7harvest: from June 16 to November 17›
Transplants (5)
Wait (1)
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing10 crops | Swiss chardwindow: from March 28 to March 31harvest: from May 16 to May 19Carrotwindow: from March 28 to March 31harvest: from May 26 to May 29Tuscan kalewindow: from March 24 to March 31harvest: from May 17 to May 24Onionwindow: from March 1 to March 31harvest: from May 29 to June 28Lettucewindow: March 31harvest: May 4Potatowindow: March 31harvest: June 28Peawindow: from March 24 to March 31harvest: from May 17 to May 24Radishwindow: from March 24 to March 31harvest: from April 17 to April 24Arugulawindow: from March 24 to March 31harvest: from April 17 to April 24Spinachwindow: from March 24 to March 31harvest: from April 27 to May 4 | High81% |
| Start indoors7 crops | Broccolistart indoors: February 18harvest: from May 29 to November 17Tuscan kalestart indoors: February 18harvest: from May 17 to December 6Fennelstart 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 17Rosemarystart indoors: March 12harvest: from June 21 to November 17Sagestart indoors: March 7harvest: from June 16 to November 17 | High80.43% |
| Transplants5 crops | Broccoliwindow: March 31harvest: May 29Tuscan kalewindow: from March 24 to March 31harvest: from May 17 to May 24Onionwindow: from March 1 to March 31harvest: from May 29 to June 28Strawberrywindow: from March 28 to March 31harvest: from May 26 to May 29Lettucewindow: March 31harvest: May 4 | High82% |
| Wait1 crop | Parsleywindow: from March 30 to March 31harvest: from June 17 to June 18 | Medium57% |
Direct sowing (10)
Swiss chardwindow: from March 28 to March 31harvest: from May 16 to May 19›
Carrotwindow: from March 28 to March 31harvest: from May 26 to May 29›
Tuscan kalewindow: from March 24 to March 31harvest: from May 17 to May 24›
Onionwindow: from March 1 to March 31harvest: from May 29 to June 28›
Lettucewindow: March 31harvest: May 4›
Potatowindow: March 31harvest: June 28›
Peawindow: from March 24 to March 31harvest: from May 17 to May 24›
Radishwindow: from March 24 to March 31harvest: from April 17 to April 24›
Start indoors (7)
Broccolistart indoors: February 18harvest: from May 29 to November 17›
Tuscan kalestart indoors: February 18harvest: from May 17 to December 6›
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›
Rosemarystart indoors: March 12harvest: from June 21 to November 17›
Sagestart indoors: March 7harvest: from June 16 to November 17›
Transplants (5)
Wait (1)
Method and limits
Which recommendation stands out for Guidonia Montecelio in March?
Start with Swiss chard for direct sowing during from March 28 to March 31. The estimated harvest is from May 16 to May 19 and the best estimated success rate is 80%.
Which indoor seed start matters in March?
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 limits March most in Guidonia Montecelio?
Check irrigation and soil moisture: the average dry spell reaches 13.7 days, even with average rain of 59.56 mm. Monthly averages: minimum 5.69 °C, maximum 15.44 °C, rain 59.56 mm, and dry spell 13.7 days.
Why wait on Parsley in March?
The available Parsley window is from March 30 to March 31 and remains classified as risky. The best estimated success rate is 57%; 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
- Local historical climate: NASA POWER Daily API
- Representative weather point: GeoNames
- Crop needs: OrtoClima
- Last data update: June 21, 2026

