March in Viterbo
What to plant in March in Viterbo
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Viterbo in March.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing1 crop | Onion | High83% |
| Start indoors7 crops | Broccoli, Tuscan kale, Fennel, Strawberry, Lettuce, Rosemary, Sage | High80% |
| Transplants1 crop | Onion | High83% |
| Wait7 crops | Swiss chard, Carrot, Potato, Pea, Radish, Arugula, Spinach | Low50.43% |
Direct sowing (1)
Start indoors (7)
Broccolistart indoors: February 28harvest: from June 8 to November 9›
Tuscan kalestart indoors: February 27harvest: from May 26 to November 19›
Fennelstart indoors: March 19harvest: from June 21 to November 9›
Strawberrystart indoors: March 6harvest: from June 1 to November 19›
Lettucestart indoors: March 13harvest: from May 14 to November 9›
Rosemarystart indoors: March 21harvest: from June 30 to November 9›
Sagestart indoors: March 10harvest: from June 19 to November 9›
Transplants (1)
Wait (7)
Swiss chardwindow: from March 22 to March 31harvest: from May 10 to May 19›
Carrotwindow: from March 22 to March 31harvest: from May 20 to May 29›
Potatowindow: from March 29 to March 31harvest: from June 26 to June 28›
Peawindow: from March 19 to March 31harvest: from May 12 to May 24›
Radishwindow: from March 12 to March 31harvest: from April 5 to April 24›
Arugulawindow: from March 15 to March 31harvest: from April 8 to April 24›
Spinachwindow: from March 17 to March 31harvest: from April 20 to May 4›
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing1 crop | Onionwindow: from March 9 to March 31harvest: from June 6 to June 28 | High83% |
| Start indoors7 crops | Broccolistart indoors: February 28harvest: from June 8 to November 9Tuscan kalestart indoors: February 27harvest: from May 26 to November 19Fennelstart indoors: March 19harvest: from June 21 to November 9Strawberrystart indoors: March 6harvest: from June 1 to November 19Lettucestart indoors: March 13harvest: from May 14 to November 9Rosemarystart indoors: March 21harvest: from June 30 to November 9Sagestart indoors: March 10harvest: from June 19 to November 9 | High80% |
| Transplants1 crop | Onionwindow: from March 9 to March 31harvest: from June 6 to June 28 | High83% |
| Wait7 crops | Swiss chardwindow: from March 22 to March 31harvest: from May 10 to May 19Carrotwindow: from March 22 to March 31harvest: from May 20 to May 29Potatowindow: from March 29 to March 31harvest: from June 26 to June 28Peawindow: from March 19 to March 31harvest: from May 12 to May 24Radishwindow: from March 12 to March 31harvest: from April 5 to April 24Arugulawindow: from March 15 to March 31harvest: from April 8 to April 24Spinachwindow: from March 17 to March 31harvest: from April 20 to May 4 | Low50.43% |
Direct sowing (1)
Start indoors (7)
Broccolistart indoors: February 28harvest: from June 8 to November 9›
Tuscan kalestart indoors: February 27harvest: from May 26 to November 19›
Fennelstart indoors: March 19harvest: from June 21 to November 9›
Strawberrystart indoors: March 6harvest: from June 1 to November 19›
Lettucestart indoors: March 13harvest: from May 14 to November 9›
Rosemarystart indoors: March 21harvest: from June 30 to November 9›
Sagestart indoors: March 10harvest: from June 19 to November 9›
Transplants (1)
Wait (7)
Swiss chardwindow: from March 22 to March 31harvest: from May 10 to May 19›
Carrotwindow: from March 22 to March 31harvest: from May 20 to May 29›
Potatowindow: from March 29 to March 31harvest: from June 26 to June 28›
Peawindow: from March 19 to March 31harvest: from May 12 to May 24›
Radishwindow: from March 12 to March 31harvest: from April 5 to April 24›
Arugulawindow: from March 15 to March 31harvest: from April 8 to April 24›
Spinachwindow: from March 17 to March 31harvest: from April 20 to May 4›
Local climate
- dry-spell risk: plan irrigation
Method and limits
Which recommendation stands out for Viterbo in March?
Start with Onion for direct sowing during from March 9 to March 31. The estimated harvest is from June 6 to June 28 and the best estimated success rate is 83%.
Which indoor seed start matters in March?
For Broccoli, the useful indoor seed period is from February 28 to July 31. The expected transplanting window is from April 10 to September 11 and it is best to start seedlings 42 days earlier.
What should I watch in March in Viterbo?
Check night temperatures: with an average minimum of 4.59 °C, germination and sensitive transplants can slow down. Check irrigation and soil moisture: average rain of 58.35 mm and an average dry spell of 14.13 days can dry beds and containers quickly. Monthly averages: minimum 4.59 °C, maximum 14.41 °C, rain 58.35 mm, and dry spell 14.13 days.
When should Swiss chard be avoided in Viterbo?
The available Swiss chard window is from March 22 to March 31 and remains classified as risky. The best estimated success rate is 50%; before starting, check: dry-spell risk: plan irrigation.
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

