It promises to be a month of sleepless nights again for our friends in the vineyards of France.
Prior to 2016, severe frost occurred maybe one or two times in a decade, but over the last ten years or so the threat of frost has proven consistent— and this April 2021 is no different.
Depending on the area, wine farmers across Burgundy, the Loire Valley, Mâconnais, Chablis, and beyond, have been looking at vines that are seven to eight days advanced with bud-break. This week they are being hit with three consecutive days of severe cold (Tuesday, 4/6 through Thursday, 4/8) which is rare and earlier than the typical ‘frost season’. Normally, the danger is more focused in late April, but recently the number of frost danger days in April has climbed dramatically. The risk of frost will continue throughout the month, with another three to four days of severe cold predicted again for next week.
Another important difference this year is that spring frost is mostly localized at the lower elevations. The ‘mountain’ frost we’ve seen this week is more of a winter frost that has so far hit all areas, including higher-elevations sites like the 1er Cru Margote in Rully, 1er Cru En Remilly, and Roche Dumay in St. Aubin (En Remilly was almost four to five degrees colder on Tuesday night compared to the 1er crus lower down in Chassagne), and Chablis Grand Cru Les Clos and 1er Cru Montmains. Furthermore, very few growers have enough candles, hay bales, and/or fans to protect all of their vineyards, and admit rolling the dice about where and what to protect.
To complicate things further, there has been a lot of wind that made it hard to even light the candles or effectively situate them in some areas. Plus the ongoing threat of an evening rain or quick snow, like what happened in Chablis, the Jura, and the Cote d’Or last night, can further influence the risk, adding humidity to the mix. Many growers are outside all night waiting for the wind to calm down or deciding whether to light candles or save them for the battles to come over the next days and weeks.
Damage occurred the last two nights, but it’s still very hard to tell how extensive the damage is as of yet. One common thread we’ve heard is that growers are not yet sure what damage has been done as it’s too painful to look too closely and begin to calculate the destruction. Possibly 50%?
For now, growers are focusing on protecting their vines and not getting discouraged. On top of all this, growers with children are now homeschooling as France is again in confinement due to COVID. Finally, there are no tariffs, but COVID remains a nightmare, and now this…

As Jean-Philippe Blot in the Loire puts it,
Bourgeuil was not affected. Montlouis, it depends on the spot, but there’s about 50% loss. Even in the areas that we protected heavily, like ‘Les Hauts de Husseau’ and ‘Clos de la Bretonniere’, we still lost 50% even with these protections. The frost season is just getting started. I don’t have time or energy to look at the destruction as of today, I’m just doing as much as I can to keep protecting the vines moving forward.
From Frantz Chagnoleau in the Mâconnais:
From Vincent Dampt in Chablis:
I already have fears that the crop is going to be virtually nothing in 2021. In talking to friends elsewhere, it could be the same in much of France. On top of that, it’s just the beginning of April. I can’t say that we’re not a bit discouraged as of today.
From Cedric Ducote in the Jura:
From Thibaud Clerget in the Volnay:
From Charlene Pinson in Chablis:
Updates During the Week of April 11th
Everywhere in France there is fatigue and discouragement both over the frost of the last seven days and the potential for more damage for weeks to come. Global warming is real. These growers are adapting as fast as they can and throwing as many different ideas at this evolving challenge. For the moment this year looks a bit grim, and in France, where COVID confinement is ongoing and vaccines not nearly as plentiful as in the States, it’s been an especially difficult twelve months.
Hearing all the struggles of the ‘Black Frost’ or Gelée Noir across France this last week has been painful. We’re sending our warmest wishes to all the growers battling against this crippling period of cold; with any luck, there will be fewer negative days and more positive ones as the season progresses, but the threat will loom until mid-May for some areas. In our communication with growers over the last two weeks, we tried to grab signs of hope in the face of this unprecedented frost threat across France’s wine regions. Thankfully, vines can surprise us with unexpected recovery and find ways to put a little bit of fruit out despite the extremes mother nature throws at them.
As the quotes below from our vigneron friends show, there are signs of courage and extraordinary resilience during this spring onslaught of winter cold from mother nature:
Monday, April 12th 2021
From Thierry Pillot in Chassagne-Montrachet:
For the moment there’s little we can do. I sent my team home for two weeks. The upper vineyards are rarely hit like they’ve been this year. It’s been truly hard, and we really tried everything from the candles in the vineyards, and the use of fans, to different times of pruning. The best-case scenario is that we finish with a very small harvest. Never had a frost like this three days in a row. It’s not over yet.
From Vincent Dureuil in Rully:
My father who is now in his 80s has never seen anything like this; he said he has rarely seen any issues on the slope higher up like what happened this year. It was almost like you didn’t know what to try to protect. I asked my children to take careful note. Mother nature can be cruel.
From Fabienne Brunet in Puy du Notre Dame:
From PYCM in Chassagne-Montrachet:
A lot of damage in the premier crus and St. Aubin, it is brutal. Depending on the spot, we’re looking at the best-case scenario of 5 hl/ha, up to maybe 25 hl/ha or so in certain spots – that is if things go perfectly for the rest of the growing season. Chassagne in the plains was better off than the premier cru and village spots up on the slope. From here it’s going to be a very difficult spring trying to take care of the fragile buds that remain or second shoots that may arrive. Either way, it’s going to be very complicated.
Tuesday, April 13th 2021
From Jacky Blot of Domaine de la Taille Aux Loups & Domaine de la Butte in Montlouis-sur-Loire & Bourgeuil:
From Joseph Colin in St. Aubin:
This severe weather was made so much worse by that snow around 11:30 last Tuesday (4/6) evening. There were so many nights last week with no sleep and we tried everything – nothing worked. There are places like en Remilly and Roche Dumay in Gamay that never frost and yet, this year virtually 100% is lost. Even if a few buds come back it’s going to be very little production.
From Alix Millot of Domaine Jean-Marc Millot in Nuits St. Georges:
My dad was saying the last time he remembers this type of damage was the spring of 1956. The danger for us will remain for weeks to come. This week it looks like we might be spared in the Cote de Nuits – fingers crossed.
From Geraldine Godot of Domaine de L’Arlot in Nuits St. Georges:
From Francois Mikulski in Meursalt:
From Rémi Jobard in Meursalt:
From Marc Bachelet of Bachelet-Monnot in Dezizes-les-Maranges:
From Laurent Fayolle in Crozes-Hermitage:
From Jerome Coursodon in Mauves:
From Cédric Ducoté of Domaine Rolet in Jura: