Wild grapevine (Vitis vinifera subsp. sylvestris) in Germany: Is reintroduction a viable approach?

Despite long-term reintroduction efforts, the wild grapevine (Vitis vinifera subsp. sylvestris) remains critically endangered in Germany's Upper Middle Rhine Valley, with only 16% of planted individuals showing high vitality and reproductive potential by 2018. A survey revealed that 55% of plants introduced since 2012 had died, primarily due to unsuitable light conditions caused by canopy cover. The species faces persistent threats from habitat degradation, hybridization, and slow establishment, exacerbated by its dioecy and late reproductive age. Researchers emphasize the need for targeted renaturation measures, such as restoring natural flooding dynamics, to create viable habitats and ensure long-term survival. Regular monitoring is crucial to assess reintroduction success and protective measures.

Niederl, née W., Ledesma-Krist, G. M., Maul, E., Damm, C., Householder, J., Paul, M., & Egger, G. (2025). Wild grapevine (Vitis vinifera subsp. sylvestris) in Germany: Is reintroduction a viable approach? Tuexenia 45. https://doi.org/10.14471/2025.45.003