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Pineneedle beardtongue

Penstemon pinifolius

Pineneedle beardtongue
Photo: Kurt Stüber [1], CC BY-SA 3.0

Pineneedle beardtongue is a small evergreen subshrub from the mountains of the southwestern US and northern Mexico, known for narrow needle-like leaves and bright scarlet trumpet flowers. It needs sun and very well-drained soil, and it grows well in rock gardens.

Family
Plantaginaceae (Plantain family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings; avoid wet roots.
Soil
Very well-drained, gritty or rocky soil; limestone-type conditions suit it.
Temperature
Moderately hardy to about -10 °C; protect from hard frosts in winter.
How easy
Moderate
Native range
Arizona to New Mexico and N. Mexico
Climate
subtropical

About

Penstemon pinifolius, the pineleaf penstemon or pine needle penstemon, is a species of flowering plant in the veronica family that is native to the southwestern USA and northern Mexico. It is a spreading evergreen often found in rocky habitats.

How to grow it

The species and the cultivar 'Wisley Flame' have both gained the Royal Horticultural Society's Award of Garden Merit. 'Mersea Yellow' is another notable cultivar, with brilliant lemon-yellow flowers.

Though moderately hardy to −10 °C (14 °F) it requires an extremely well-drained, sunny position with some protection from hard frosts in winter.

Where it grows

Pineleaf penstemon is native to the southwestern US and northern Mexico. In Mexico its range includes five states, Chihuahua, Hidalgo, Querétaro, Sonora, and Tamaulipas. In Chihuahua and Sonora it grows in Sierra Madre Occidental mountains.

Other Penstemon plants

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

Text excerpted from the Wikipedia article Penstemon pinifolius 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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