Contents
Taxonomic Information
| Domain: | Eukaryota |
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Plantaginaceae |
| Genus: | Penstemon |
Description
Penstemon Guadalupensis, also known as Guadalupe beardtongue, is a perennial flowering plant that belongs to the Plantaginaceae family. It is native to the southwestern United States, specifically in the Guadalupe Mountains of New Mexico and Texas.
Appearance
The plant has slender stems that can grow up to 3 feet tall with lance-shaped leaves that are a bright green color. The flowers of Penstemon Guadalupensis are trumpet-shaped and are usually a shade of lavender to purple, though they can also be white or pink. They bloom in late spring and early summer and attract hummingbirds and bees.
Care Guide
Penstemon Guadalupensis requires well-draining soil with full sun exposure. It is a drought-tolerant plant that prefers infrequent watering, so it is important not to overwater the plant. Fertilization can be done in the spring with a balanced fertilizer. The plant is hardy in USDA zones 7a to 10b.
Common Pests & Diseases
Penstemon Guadalupensis is susceptible to root rot, powdery mildew, and spider mites. To prevent these, it is important to provide good drainage and proper air circulation around the plant. Treatments include fungicides for root rot and powdery mildew, and insecticides for spider mites.
Habitat
Penstemon Guadalupensis is native to the Guadalupe Mountains of New Mexico and Texas, where it grows in rocky limestone soils at elevations of 5,000 to 8,000 feet. It is also found in other areas of the southwestern United States, including Arizona and Utah.
Question and Answer
Q: Is Penstemon Guadalupensis a drought-tolerant plant?
A: Yes, it is a drought-tolerant plant that prefers infrequent watering.
Q: What are the common pests and diseases of Penstemon Guadalupensis?
A: The plant is susceptible to root rot, powdery mildew, and spider mites.
Q: What is the blooming period of Penstemon Guadalupensis?
A: The plant blooms in late spring and early summer.
Q: What is the hardiness zone for Penstemon Guadalupensis?
A: The plant is hardy in USDA zones 7a to 10b.
Related Plants
- Penstemon barbatus
- Penstemon eatonii
- Penstemon palmeri
- Penstemon pseudospectabilis
References
- “Penstemon Guadalupensis.” Lady Bird Johnson Wildflower Center, https://www.wildflower.org/plants/result.php?id_plant=PEGU2.
- “Penstemon Guadalupensis.” The Spruce, https://www.thespruce.com/penstemon-guadalupensis-plant-profile-4843246.
- “Penstemon Guadalupensis.” PlantFiles, Dave’s Garden, https://davesgarden.com/guides/pf/go/196272/.
