Біологічні особливості розвитку видів роду penstemon в умовах правобережного степового придніпров’я

The Penstemon genus collection was analysed by type of the above-ground organs’ die-off, formation of renewal buds, variety of life-forms and by features of rhythmological signs. Characteristics of development of Penstemon species under conditions of Kryvyi Rig region were studied. Prospects of the species introduction for assortment’s enrichment of the flowering-ornamental plants in the arrangement of green spaces are discussed.