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Bunchleaf penstemon

Penstemon heterophyllus

Bunchleaf penstemon
Photo: Stickpen, Public domain

Bunchleaf penstemon is a California native perennial with woody bases and upright, branching stems, grown for its blue to purple tubular flowers that attract native bees, birds and butterflies. It thrives in full sun and well-drained soil and needs little water once established.

Family
Plantaginaceae (Plantain family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water deeply but infrequently, letting soil dry out between waterings; avoid summer irrigation once established.
Soil
Fast-draining, lean or sandy soil; tolerates poor soil but hates wet feet.
Temperature
Hardy to about -10 °C; tolerates heat and cool winters typical of Mediterranean climates.
How easy
Easy
Native range
W. California
Climate
temperate

About

Penstemon heterophyllus is a species of penstemon known by the common names bunchleaf penstemon, foothill penstemon, and foothill beardtongue. It is endemic to California.

The plant can be found in all of the major coastal mountain ranges and the northern Sierra Nevada foothills. It is a member of the flora in many local habitat types such as: hillsides, grasslands, chaparral, and open oak woodland and forest areas.

How to grow it

Penstemon heterophyllus is cultivated as an ornamental plant by plant nurseries. It is used as a flowering perennial for traditional flower beds, and in native plant, drought-tolerant, and habitat gardens and public landscapes. It is a nectar source for (native) birds and butterflies.

Several cultivars have been selected for flower color and plant form, for use in Mediterranean climate and other low-water-use gardens, including:

Other Penstemon plants

Scabland penstemon · Uinta Basin beardtongue · Penstemon isophyllus · Pineneedle beardtongue · Showy penstemon · Rocky Mountain penstemon · Venus penstemon · Beardtongue

Text excerpted from the Wikipedia article Penstemon heterophyllus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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