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-3°C for Swiss farmers: Vineyards fight against spring frost

11:00 AM
April 21, 2024

Swiss vineyards freeze
Vineyards fight against spring cold

Candles burn in vineyard to protect vines from frost in cold temperaturesCandles are burning in the Rhone Valley, Switzerland, to protect the vines from late frosts.

Vineyards in Switzerland lit thousands of candles as temperatures dropped below freezing this week, bringing frost to the vines.

In the wine-growing region of Salgesch, the temperature dropped below freezing from midnight on Thursday, triggering a frost alarm among winegrowers. Thousands of frost candles were lit to protect the vines from the cold.

In the Rhone Valley, the mercury dropped to 27 degrees F (-2.7°C) in Visp on Friday morning. In Thun, the mercury read 27.8 degrees F (-2.3°C). It was even colder in the high Alpine valleys, such as the Engadin, at almost 17 degrees ( -8°C).

For fruit and wine growers, sub-zero temperatures in spring mean a lot of work for their crops. Over the past few days, they have been preparing for the forecast frosty nights.

In frost-prone wine regions of the Rhone Valley, frost candles and gas blowers have been set up everywhere.

Check out a closer view of how these candles keep the vines warm with this video from France after the coldest April night since 1947 arrived in 2022.

Weather & Radar USA editorial team
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