Penstemon labrosus is a species of penstemon known by the common name San Gabriel beardtongue. It is native to the Transverse Ranges of southern California, including the San Gabriel Mountains, and the Peninsular Ranges to the south, its distribution extending into Mexico. It grows in forest and woodland habitat. It is a perennial herb growing erect to about 70 centimeters tall. The long, paired leaves are linear in shape with rolled, untoothed edges, and reach over 8 centimeters in maximum length. The inflorescence produces bright red to orange or yellowish flowers 3 to 4 centimeters long. The upper lip is hood-shaped and the lower is divided into 3 narrow lobes which are sometimes reflexed. The flower is hairless, including the staminode.
How to keep Penstemon Labrosus.
Pruning
The San Gabriel beardtongue is a vibrant perennial known for its tubular flowers. For best results, prune it in early spring by removing dead stems and shaping the plant. To rejuvenate it, you can cut back up to one-third of the plant. Always use clean tools to prevent disease and encourage healthy blooms. For more detailed guidance, consult local horticultural experts.
Pot & Repot
For the San Gabriel beardtongue to thrive in pots, it requires excellent drainage.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Penstemon
- Family
- Plantaginaceae
- Mature Height
- 30 cm to 91 cm
Other names.
Reader questions.
What are the sunlight requirements for San Gabriel beardtongue (Penstemon labrosus)?
San Gabriel beardtongue (Penstemon labrosus) thrives in areas that receive different amounts of sunlight throughout the day. Specifically, it requires 'Full sun' conditions, meaning it should be exposed to more than 6 hours of direct sunlight per day. Alternatively, it can also do well under 'Partial sun' conditions, where it receives about 3-6 hours of sunlight daily. It's important to observe the movement of sunlight in your garden to find spots that offer a mix of light and shade, ensuring the plant's well-being by catering to its light requirements.
What is the botanical name of San Gabriel Beardtongue?
The botanical name of San Gabriel Beardtongue is Penstemon labrosus.
