March in Terni
What to plant in March in Terni
Direct sowing, recommended transplants, and average climate risks for a vegetable garden in Terni in March.
Operational summary
Crop actions
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing1 crop | Onion | High80% |
| Start indoors7 crops | Broccoli, Tuscan kale, Onion, Fennel, Strawberry, Lettuce, Sage | High80% |
| Transplants1 crop | Onion | High80% |
| Wait6 crops | Swiss chard, Carrot, Pea, Radish, Arugula, Spinach | Low52.33% |
Direct sowing (1)
Start indoors (7)
Broccolistart indoors: March 9harvest: from June 18 to November 8›
Tuscan kalestart indoors: March 5harvest: from June 2 to November 18›
Onionstart indoors: January 6harvest: from June 20 to November 24›
Fennelstart indoors: March 23harvest: from June 25 to November 8›
Strawberrystart indoors: March 16harvest: from June 11 to November 18›
Lettucestart indoors: March 23harvest: from May 24 to November 8›
Sagestart indoors: March 13harvest: from June 22 to November 8›
Transplants (1)
Wait (6)
Swiss chardwindow: from March 29 to March 31harvest: from May 17 to May 19›
Carrotwindow: from March 29 to March 31harvest: from May 27 to May 29›
Peawindow: from March 26 to March 31harvest: from May 19 to May 24›
Radishwindow: from March 23 to March 31harvest: from April 16 to April 24›
Arugulawindow: from March 23 to March 31harvest: from April 17 to April 24›
Spinachwindow: from March 26 to March 31harvest: from April 29 to May 4›
Crops for this month
| Action | Crops | Success probability |
|---|---|---|
| Direct sowing1 crop | Onionwindow: from March 23 to March 31harvest: from June 20 to June 28 | High80% |
| Start indoors7 crops | Broccolistart indoors: March 9harvest: from June 18 to November 8Tuscan kalestart indoors: March 5harvest: from June 2 to November 18Onionstart indoors: January 6harvest: from June 20 to November 24Fennelstart indoors: March 23harvest: from June 25 to November 8Strawberrystart indoors: March 16harvest: from June 11 to November 18Lettucestart indoors: March 23harvest: from May 24 to November 8Sagestart indoors: March 13harvest: from June 22 to November 8 | High80% |
| Transplants1 crop | Onionwindow: from March 23 to March 31harvest: from June 20 to June 28 | High80% |
| Wait6 crops | Swiss chardwindow: from March 29 to March 31harvest: from May 17 to May 19Carrotwindow: from March 29 to March 31harvest: from May 27 to May 29Peawindow: from March 26 to March 31harvest: from May 19 to May 24Radishwindow: from March 23 to March 31harvest: from April 16 to April 24Arugulawindow: from March 23 to March 31harvest: from April 17 to April 24Spinachwindow: from March 26 to March 31harvest: from April 29 to May 4 | Low52.33% |
Direct sowing (1)
Start indoors (7)
Broccolistart indoors: March 9harvest: from June 18 to November 8›
Tuscan kalestart indoors: March 5harvest: from June 2 to November 18›
Onionstart indoors: January 6harvest: from June 20 to November 24›
Fennelstart indoors: March 23harvest: from June 25 to November 8›
Strawberrystart indoors: March 16harvest: from June 11 to November 18›
Lettucestart indoors: March 23harvest: from May 24 to November 8›
Sagestart indoors: March 13harvest: from June 22 to November 8›
Transplants (1)
Wait (6)
Swiss chardwindow: from March 29 to March 31harvest: from May 17 to May 19›
Carrotwindow: from March 29 to March 31harvest: from May 27 to May 29›
Peawindow: from March 26 to March 31harvest: from May 19 to May 24›
Radishwindow: from March 23 to March 31harvest: from April 16 to April 24›
Arugulawindow: from March 23 to March 31harvest: from April 17 to April 24›
Spinachwindow: from March 26 to March 31harvest: from April 29 to May 4›
Local climate
Altitude and microclimates
- Altitude range
- 96-1114 m a.s.l.
- Total altitude difference
- 1018 m
- Standard deviation
- 236.67 m
- Main altitude bands
- <300 m (39.57%), 300-599 m (37.6%)
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 recommendation stands out for Terni in March?
Start with Onion for direct sowing during from March 23 to March 31. The estimated harvest is from June 20 to June 28 and the best estimated success rate is 80%.
Which crop can be started indoors in March?
For Broccoli, the useful indoor seed period is from March 9 to July 30. The expected transplanting window is from April 20 to September 10 and it is best to start seedlings 42 days earlier.
What should I watch in March in Terni?
Check night temperatures: with an average minimum of 3.53 °C, germination and sensitive transplants can slow down. Check irrigation and soil moisture: the average dry spell reaches 13.33 days, even with average rain of 58.74 mm. Monthly averages: minimum 3.53 °C, maximum 14.25 °C, rain 58.74 mm, and dry spell 13.33 days.
When should Swiss chard be avoided in Terni?
The available Swiss chard window is from March 29 to March 31 and remains classified as risky. The best estimated success rate is 50%; 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
