Fir trees as far as the eye can see. The plantation begins to the right, next to the farmstead of the Dünnebacke- Strugholtz GbR in Effeln, and reaches up to the edge of the timber forest. Some 6,000 young trees are planted on a hectare when they are three to four years old. “The trees are harvested starting with the 5th year after planting. The number each year depends on the age and quality of the trees. The latter, for example, can vary depending on the source of the seeds and the location,” explains Verena Dünnebacke, as she walks across the wide farmyard. Past the white stucco house on the left, the adjacent office building, through the barn, directly to the surrounding Christmas tree plantation. Red, white, blue and violet paper strips hang out of the pocket in her vest. She labels the Caucasian fir trees with them. The colour stand for size and quality, and therefore ultimately for the price of each tree.