Provided to the complex of ecological factors, which persisted in continuity ever since Pliocene up until nowadays, complex, diverse and rich forest and shrub vegetation has evolved in the Djerdap Gorge. There is the identified total of 57 forest and shrub communities in Djerdap. A large difference is present when comparing forest vegetation on silicates in valleys and limestone in gorges and canyons. Prominent characteristic of vegetation is the presence of relic forest communities consisted of: walnut, hackberry, Turkish hazel, mountain beech, lilac and other species.
Out of 37 woody species, significant relics are Turkish hazel, walnut and hackberry, which is a typical mediterranean species. Due to its warm calcarneous ground and specif mild climate, Djerdap area represents a small еnclave of mediterranean and submediterranean flora, where aside from hackberry, such species as field maple, oriental hornbeam, downy oak, smoketree and other species found their habitat. One of rare evergreen trees, which indigenously grows in this area, is yew tree which is additionally being a relic and a very rare endangered species. Specific relics of dendroflora are evergreens and bushes: holly, daphne laurel and double tongue.