PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer unloads the freshly harvested kale from his harvesting machine into a container for onward transportation. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: A farmer drives a harvesting machine over a field where kale is grown in sunny weather (aerial view with drone). There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: A farmer drives a harvesting machine over a field where kale is grown in sunny weather (aerial view with drone). There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: Kale plants grow in sunny weather in a field in the district of Vechta. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: Kale plants grow in sunny weather in a field in the district of Vechta. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: A farmer drives a harvesting machine over a field where kale is grown in sunny weather (aerial view with drone). There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: Kale plants grow in sunny weather in a field in the district of Vechta. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: A farmer drives a harvesting machine over a field where kale is grown in sunny weather (aerial view with drone). There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer unloads the freshly harvested kale from his harvesting machine into a container for onward transportation. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested as early as mid-summer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa

PRODUCTION - 29 August 2024, Lower Saxony, Vechta: In sunny weather, a farmer drives a harvesting machine across a field where kale is grown. There is a widespread belief that kale needs the first frost to taste sweet and mild. In fact, kale is harvested in midsummer - but not for fresh sale. Photo: Hauke-Christian Dittrich/dpa