Synonyms: Firecracker Penstemon A short to long-lived, perennial withseveral red flowers growing in stalks or clusters. Each flower has the typical 5-lobed corolla and blooms between May to July. Growing upwards of 2 feet tall. It prefers well-drained soils and is cold and drought tolerant. Mainly planted for its beauty and erosion control. Found on dry slopes in the southwest from Colorado to California.