Last and first frost dates in Bellinzona

When is the last frost in Bellinzona?

The last frost in Bellinzona usually comes around 7 April: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 17 March, while corn waits until 2 May. The first autumn frost follows around 15 November, about 222 days later: harvest or cover frost-tender crops before then.

When to sow and plant

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

When the soil warms up in Bellinzona

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 7 days after the last spring frost and 15 °C 51 days after it.

Frost dates near Bellinzona

Of the nearest cities on our list, the last spring frost ends earliest in Busto Arsizio (27 February) and latest in Locarno (23 May).

Seeds, seedlings and markets in Bellinzona

Within 15 km of Bellinzona OpenStreetMap lists 1 garden centre, 1 plant nursery and 7 farm shops (collected 27 October 2026).

• Orticoltura Regusci — farm shop
  I Casasc 5, 6528 Camorino · 4 km
• Agriturismo Alpe Zalto — farm shop
  Alpe Zalto, 6950 · "Periodo di apertura: Da metà maggio a fine agosto. Settembre e ottobre su riservazione." · 10 km · agriturismo.ch
• Agriturismo Alpe Rompiago — farm shop
  Alpe di Rompiago, Bidogno · 11 km
• Azienda agricola monti di Condra — farm shop
  Mon–Sun 08:00–12:00, 13:00–18:00 · 13 km · luganoregion.com
• Azienda Agricola Gianella — farm shop
  Via Campagna 10, 6556 Leggia · Mon closed; Tue closed; Wed–Sun 09:30–24:00 · 14 km · aziendaagricolagianella.ch
• Orto mio — farm shop
  Mon–Sun 00:00–00:00 · 14 km

• Where to buy seeds and seedlings in Bellinzona
• Selling your own harvest in Switzerland

Places: © OpenStreetMap contributors, ODbL.

Weather in Bellinzona by month

Average weather in Bellinzona over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: June–September (20.9–26.2 °C). Nights average below 0 °C in January (-1.6 °C), February (-0.2 °C) and December (-0.3 °C). About 1670 mm of rain falls in a year, on 141 days; October is the wettest month (221 mm) and January the driest (61 mm).

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).