Printhie Blog.

December 2nd 2013

NEWS: Frost

Growing grapes and making wine is an agricultural pursuit. We would all like to work in unison with Mother Nature but sometimes she does not make it easy. Winemaking vintages usually reflect Mother Nature’s mood, whether it be drought, inundation or as in the case of this year - frost.

Spring is always a nervous time for grape growers. The vines shoot new growth from their buds. The new soft tissue shoots continue to grow as the days get warmer. But the nights remain fairly cold. Herein lays the danger. If the wind drops as the sun sets, the skies are clear and the cold air settles at ground level, the temperature might fall below 0oC. And if this happens, frost is a likely consequence. Soft, new, green grape vine shoots do not like frost. The frost freezes the water inside the tissue cells and destroys the cell structure. Within 12 hours the shoot looks ‘burnt’ – black all over and dead as a dodo. While the vine will recover, the burnt shoot will not. It can be devastating for the grape grower. It usually results in significant crop losses and higher costs of production.

The spring of 2013 has been a bad frost season. As a rule, the Orange region is not particularly frost prone. With is vineyards planted on the rolling slopes coming off Mount Canobolas, there is pretty good air drainage which keeps the cold air moving downhill. Cold air turns to frost when there is no air movement. Having said that, the Printhie vineyards have experienced their worst frosts ever. The damage at Printhie is not particularly significant but the extent of the damage is an indicator of the severity of the frost season. There are low lying vineyards on the Orange GI boundary that have been damaged as well as vineyards in the Canberra District, Hilltops, Gundagai, Riverina, Mudgee and interstate. There have been reports of damage resulting in anything from 20% to 100% crop losses.

Fortunately, the danger has now passed. For those that have suffered frost damage it is a matter of making the best of a tough season. We can be thankful that we do not have the danger of early autumn frosts – that would be a double edged sword if there ever was one.

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Having said that, the free eye exam near me Printhie vineyards have experienced their worst frosts ever.

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13 Oct 2018 at 12:25am

With is vineyards planted on the rolling slopes coming off Mount Canobolas, there is pretty good air drainage which keeps the cold air moving downhill.

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13 Oct 2018 at 12:40am

The frost freezes the water inside the tissue cells and destroys the cell structure. Within 12 hours the shoot looks ‘burnt’ – black all over and dead as a dodo.

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13 Oct 2018 at 12:42am

Herein lays the danger. If the wind drops as the sun sets, the skies are clear and the cold air settles at ground level, the temperature might fall below 0oC. And if this happens, frost is a likely consequence. Soft, new, green grape vine shoots do not like frost.

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@PrinthieWines on Twitter

Always a pleasure @jeniport - thanks for visiting, hope you enjoyed the Orange region, the wines & lollipops lol :)
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My 1st taste of these elegant wines from Orange. Hope to see @PrinthieWines in the UK soon. The name says it all! pic.twitter.com/BxTf2uVf9z
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Just cleaned the press in readiness for #V16 but it is still only January. Noooo!!! Surely vintage is still months away #CoolClimate #Orange
4:40pm on Mon 25 January
No rest for the wicked. Great to see you at the pointy end of the racing. All the best for the season. twitter.com/Mark_Renshaw/s…
4:37pm on Mon 25 January
Check out my 245.2 km ride on Strava. @WinePeloton strava.com/activities/476…'>strava.com/activities/476… strava.com/activities/476…'>strava.com/activities/476…
12:39pm on Sun 24 January
Thx to Colin & Roy for joining #epic cycling. Pics are Roy about to launch up the big climb & 3 of us at Lake Lydell pic.twitter.com/28okIO08T4
12:31pm on Sun 24 January
@WinePeloton #epic #cycling was from Orange, over the Blue Mountains, to Penrith on the outskirts of Sydney. Why? Life is short
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