Penstemon Plant. Penstemons species are plants that give a huge amount of pleasure. Penstemon plants (beardtongue) come in a variety of shapes, colors and bloom times to deliver texture and dimension to your garden across the seasons.
Border penstemons have tubular late summer flowers in a wide range of colours. There are many different types of penstemon, with some suited to the alpine garden while the majority are at home in the heart of a herbaceous border. The penstemon genus is home 250 species of.
