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Penstemon anguineus Eastwood is a member of subgenus Penstemon section Penstemon subsection Humiles. The common name is Siskiyou Beardtongue, and the photos I have here are from Mt. Ashland Road in the Siskiyous of Oregon.  This species is found in southern Oregon and northern California, often found on road cuts, logged areas, and meadows in the woods.  Look for this species above 4000 feet (1219 m) to around 6000 ft (1829 m).  The plant can grow 12-32 inches in height (30-80 cm) with one to several stems arising from a basal rosette. One of the notable characteristics of this plant is its extreme glandularity in the inflorescence, which is clearly shown in the photographs. You’ll find it in bloom during late spring and early summer.  The flowers are a lovely shade of blue with violet highlights.

If you’re interested in growing this in your garden, it is reported to be easy to cultivate.  It requires well-drained, gravelly soil with a neutral to alkaline pH. In its native habitat, winters are wet and snowy, but summers are dry. It can grow in partial shade, and is probably cold tolerant to zone 5.

Corolla of Penstemon anguineus - Siskyous of Oregon

Corolla of Penstemon anguineus – Siskyous of Oregon

Penstemon anguineus from the Siskiyous Mountains of Oregon

Penstemon anguineus from the Siskiyous Mountains of Oregon

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