Drought Delays Flax Harvest in Northern France

France – 05.08.2026: The persistent lack of rain is delaying the flax harvest and putting pressure on farms in northern France. Although the plants have already been pulled from the ground, they remain laid out in swaths in the fields. The moisture needed for further processing is lacking: without sufficient rainfall, the natural retting process starts only slowly, if at all.

During field retting, microorganisms under moist conditions break down the bonds between the fiber and the stem. Only then can the long flax fibers important for textiles be reliably extracted. If the plants remain in the field for too long in dry weather, the schedule for harvesting, processing and delivery is pushed back. For farms, this means a period of considerable uncertainty regarding quality and volume.

The current bottleneck is affecting an industry whose production processes depend heavily on rainfall after pulling. At this stage, rain is not a burden but a necessary component of fiber extraction. Farmers have only limited control over the process in the fields. What is crucial is sufficiently moist conditions over a longer period so that retting proceeds evenly.

The situation is consistent with the exceptionally dry and hot conditions of recent weeks. Météo-France reported that June 2026 was the hottest June since records began. At the same time, very little precipitation fell in many places; by the end of the month, near-surface soils across the country were severely dried out. The state regional agriculture directorate in Hauts-de-France had already considered crops there to be at risk from drought in June.

According to the national hydrological status report for July, France’s rainfall deficit in June 2026 stood at around 45 percent. More than half of the monitored groundwater levels were below the seasonal norm. The data do not concern flax alone, but they explain the lack of water in many agricultural areas and the pressure on crops that depend on natural rainfall.

For flax farms, the focus now is on the timing and distribution of upcoming rainfall. Too little moisture extends the waiting period; uneven conditions can affect fiber quality. A delay in field retting can also affect downstream stages such as turning the swaths, collecting the crop and industrial processing.

France is among Europe’s leading producers of fiber flax. Developments in the growing regions are therefore also relevant to spinning mills and textile companies. The recent drought is exacerbating a risk already evident in official climate and water assessments: heat, low rainfall and dry soils are hitting agricultural supply chains during a particularly sensitive phase of the harvest.