Evergreen bagworm in forested areas are rare. With scarce predators in urban areas, evergreen bagworms often thrive in urban habitats. When disturbed, the larva will retract its head into its case and hold the front opening closed. Mature larva may remain in the host tree or drag its case nearby before attaching itself for the pupa stage. Arborvitae and red cedar are the favored host trees of the evergreen bagworm, but cypress, juniper, pine, spruce, apple, birch, black locust, elm, maple, poplar, oak, sycamore, willow, and over 100 other species are also attacked. Leaves and buds are both fair game for food.
Brampton Wood may be covered in brushwood to deter deer from eating new growth. The medieval practice of pollarding could be introduced. Approximately 280 species of fern, conifer, flowering plant and tree have been recorded in Brampton Wood. These include species such as dog's mercury, bluebell, primrose and violets. Also notable to the woodland are the ‘major oaks’ which stand at the entrance to the main ride. Brampton Wood hosts three examples of wild service tree. The berries of this tree — known as 'chequers' were once widely used to flavour beer in Great Britain (before hops). A limited edition beer 'Chequered