A perennial of the Plantaginaceae family, Penstemon confertus is native to the western part of North America, the Canadian Rockies and coastal ranges, from British Columbia to Oregon and Montana. It grows in high-altitude meadows, edges of open forests, grassy slopes, and rocky areas, generally between 1,000 and 2,500 meters.
The plant forms a well-supplied basal rosette of lanceolate to oval leaves, medium green, glabrous and slightly shiny. The upright flowering stems, 25 to 45 cm tall, bear dense whorls of small tubular flowers very close to each other, which gives it its Latin epithet confertus, meaning "dense" or "tight".
The flowers have a very soft cream to pale yellow hue, distinctly different from the usual blue-violet of mountain penstemons, making this species immediately recognizable in its genus. The throat is slightly striped.
In its natural habitat, its flowering extends from June to August depending on altitude. In cultivation, it generally occurs in June-July.
It requires well-drained, moderately fertile soil, in full sun or very light partial shade. Hardy and undemanding once established, it tolerates some summer coolness better than many of its congeners, while fearing stagnant winter moisture. Well suited to rock gardens or gravel gardens.