The garden currently contains about 300 endemic species in habitats including beech forest, rocks and cliffs, scrub, and wetlands. It also contains about 200 species introduced from elsewhere in the south-central Apennine Mountains. The garden's flowering plants include Allium ursinum, Anemone apennina, Corydalis cava, Dianthus sylvestris, Galanthus nivalis, Lonicera alpigena, Minuarta graminifolia, Sorbus aucuparia, and Viola reichenbachiana. Trees include Acer pseudoplatanus, Fagus sylvatica, and Ilex aquifolium, with shrubs including Euonymus latifolius, Lonicera alpigena, Rhamnus alpinus, Sambucus nigra, and Viburnum lantana.