Penstemon incertus — a medium houseplant
SPECIMEN · FROM THE LIBRARY
Penstemon incertus

Penstemon Incertus

Updated · 5 observations
ON THIS PLANT

Penstemon incertus is a species of penstemon known by the common name Mojave beardtongue. It is endemic to California, where it can be found in many of the southeastern mountain ranges, including the southern reaches of the Sierra Nevada, the Tehachapis, and the mountains of the Mojave Desert region. It is a member of the flora in scrub and woodland, among Joshua Trees and in sandy washes. It is a rounded, branching, erect shrub reaching one meter in maximum height. The thick leaves are linear to lance-shaped with rolled, untoothed edges and reaching up to 7 centimeters. The glandular inflorescence produces several wide-mouthed tubular or funnel-shaped flowers measuring 2 to 3 centimeters long. The flowers are blue-purple, glandular on the outer surface and mostly hairless inside except for the hairy staminode.

CARE GUIDE

How to keep Penstemon Incertus.

Pruning

The Mojave beardtongue flourishes in dry, arid conditions and is known for its vibrant flowers. To ensure optimal growth, it should be pruned in early spring. Remove any dead or overly long stems to help maintain the plant's shape and encourage it to bloom again. Be sure to use clean, sharp tools during pruning to prevent the spread of disease and to promote a bushier appearance.

Pot & Repot

For optimal growth, the Mojave beardtongue requires excellent drainage when planted in pots. This ensures proper aeration and effective moisture management.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Penstemon
Family
Plantaginaceae
ALSO KNOWN AS

Other names.

en Mojave beardtongue
FREQUENTLY ASKED

Reader questions.

What are the sunlight requirements for Mojave beardtongue (Penstemon incertus)?

Mojave beardtongue, or Penstemon incertus, thrives in various sunlight conditions. It requires full sun, which is characterized by receiving above 6 hours of sunlight daily, to flourish optimally. However, it can also grow well in partial sun, which means the plant gets about 3-6 hours of sunlight. When cultivating Mojave beardtongue, it's crucial to observe the movement of sunlight through your garden delicately. Choosing spots that provide an ideal balance of light and shade is essential for ensuring the plant's happiness and health.

What is the botanical name of Mojave beardtongue?

The botanical name of Mojave beardtongue is Penstemon incertus.

PLATES
Penstemon incertus habit
PLATE 01 · habit
Penstemon incertus habit
PLATE 02 · habit
ALSO IN THE LIBRARY

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