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One in Four Tree Deaths in Blue Ridge Mountains Linked to Invasive Species | Smithsonian's National Zoo
![Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society](https://duz1zqzp328bb.cloudfront.net/conifers/36817/_coniferGalleryImages/Tsuga.mertensiana.Bumps-Blue-close.jpg)
Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society
![Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society](https://duz1zqzp328bb.cloudfront.net/conifers/36817/_coniferGalleryImages/Bumps-blue-originator.jpg)
Tsuga mertensiana 'Bump's Blue' / Bump's Blue Mountain hemlock | Conifer Trinomial | American Conifer Society
![Tis the season to inspect your hemlocks for hemlock wooly adelgid, <i>Adelges tsugae</i> — Bug of the Week Tis the season to inspect your hemlocks for hemlock wooly adelgid, <i>Adelges tsugae</i> — Bug of the Week](https://images.squarespace-cdn.com/content/v1/502d2cede4b0ab396711e089/1450718677855-O6BGIMS7Y86DMKN76R8R/image-asset.jpeg)
Tis the season to inspect your hemlocks for hemlock wooly adelgid, <i>Adelges tsugae</i> — Bug of the Week
![Tsuga mertensiana 'Elizabeth' / Elizabeth mountain hemlock | Conifer Trinomial | American Conifer Society Tsuga mertensiana 'Elizabeth' / Elizabeth mountain hemlock | Conifer Trinomial | American Conifer Society](https://duz1zqzp328bb.cloudfront.net/conifers/35133/_coniferGalleryImages/TsuMer-Elizabeth.jpg)