Most of the species are drought-tolerant, but hybrids may require frequent watering. About penstemons Penstemon forms dense spikes of tubular flowers in … The plant has spikes of clustered, tubular, scarlet red blossoms with yellow hairs on their lower lip which is what inspires the common “beard” name to the flower. This June-flowering penstemon, with Penstemon heterophyllus blood, has masses of electric-blue flowers with a warm hint of pink, which shimmer in … Penstemon belonged to the Scrophulariaceae family, but now they are placed in the expanded Plantaginaceae family. This prairie plant thrives in hot, sunny conditions and is a stunning addition to wildflower plantings. Best penstemon varieties Penstemon 'Catherine de la Mare' AGM. elevation but has also done … Penstemon multiply and will quickly need to be divided. Penstemon is a western United States native that has colorful tubular flowers on tall spikes. This Penstemon can grow at 8000ft. An amazing genus of plants native to North America, penstemons make wonderful additions to the garden. Occasionally they may get attacked by aphids, such as blackfly and greenfly, which suck the sap of the leaves and cause them to become yellow and curled. Penstemon is a highly attractive and popular flowering plant. Penstemon Plants Know How To Grow & Care For Penstemons. Penstemon Seeds & Plants. The diversity of these plants is truly remarkable, with several hundred species available. Penstemon seeds are easy to sow and once grown, can be positioned in full sun and semi shaded locations, making them versatile hardy perennials with superb garden performance. Flowering – May to October. Snapdragon-like pale pink flowers boom in late spring or early summer, and their sweet-honey scent attracts bumblebees. It grows 2 to 3ft tall. Penstemons are perennial plants and some of its varieties belong to the shrubs or sub shrubs. The seeds of Beard Tongue/Penstemon can be sown outdoors in either spring or autumn; the Penstemon plant seeds should be sown on the soil surface. These plants need well-drained soil and partial to full sun. This Penstemon is similar to Scarlet burglar but more cold tolerant. Penstemon eatonii is native to the western states of the United States. Height – 26 to 32 inches (0.6 to 0.8 meters) Exposure – full sun, part sun Soil – rather rich and well drained. The flower clusters are denser and the leaves are rounder and less gray. The flowers are very attractive to hummingbirds. A native of the Southwest, Palmer’s penstemon sports sharp, prickly, gray leaves and thrives in the harsh conditions. This plant is not susceptible to many pests and is even slug proof. Penstemon, also called beardtongues, are beautiful perennials that bloom all summer long. These plants reach a height range of 10 cm to about 3 metres. From dwarf little alpine plants to prairie penstemons reaching up to 5 feet tall, there’s a height for every part of the garden. Pests. Ensuring good conditions will help them stay strong and vigorous. Penstemon main facts. Penstemon are usually healthy plants. When in bloom, they will attract Hummingbirds to your yard and flower beds. Find out how to design and plant a herbaceous border. Penstemon plants have stunning bell shaped flowers which bloom through the long summer months, into early autumn. It is also a good hummingbird plant. Penstemon plants are perennials that grow well in USDA zones 4 to 9. Another common name is beardtongue. Trumpet shaped blooms, on this perennial plant, come in white, red, pink, purple, and lavender. Name – Penstemon Family – Scrophulariaceae (figwort family) Type – perennial.