This list contains one mention of a sexual assault scene.

Horror movies are often set in the woods because we understand that the darkness and sounds of an enclosed forest can be a creepy setting, especially at night. However, while being lost in the woods is a horror trope, the trees often fade into the background unless they are central to the story. Though horror movie villains can take many forms, it is often still a surprise when a horror movie features a malevolent tree or plant. Seeing the peaceful embodiment of nature becoming bloodthirsty monsters can either make a hilarious horror-comedy or a genuinely chilling horror movie nightmare.

The central plots in biological horror movies like The Happening often involve sympathy for the plants, as they revolve around people treating nature without the necessary respect, or scientists going too far with their experiments. Alien landscapes like the one beyond...