Contents
Description
Penstemon Neomexicanus is a hardy perennial flower native to the southwestern United States and northern Mexico. It is commonly known as New Mexico Penstemon, Purple Haze, or Rio Grande Penstemon. This plant is often used in xeriscaping, a form of landscaping that requires little to no irrigation. Penstemon Neomexicanus is a member of the Plantaginaceae family and is a popular choice among gardeners due to its beautiful flowers and low-maintenance requirements.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Penstemon |
Appearance
Penstemon Neomexicanus is a perennial plant that can grow up to 3 feet tall and 2 feet wide. Its narrow green leaves are between 1-3 inches long, and its flowers grow on spikes that can reach up to 2 feet in height. The flowers bloom in late spring or early summer and are usually purple, although they can also be pink, red, or white. The petals of the Penstemon Neomexicanus are tubular and have a five-pointed star shape at the opening. The plant’s seed capsules are oval and contain numerous small seeds.
Care Guide
Penstemon Neomexicanus is a low-maintenance plant that does well in full sun to partial shade. It prefers well-draining soil and is drought-tolerant, making it an ideal plant for xeriscaping. Water the plant deeply once a week during the growing season, and reduce watering in the winter months. Fertilize the plant once a month during the growing season with a balanced fertilizer. Penstemon Neomexicanus is hardy in USDA zones 5-9.
Common Pests & Diseases
Penstemon Neomexicanus is generally resistant to pests and diseases. However, it may be susceptible to powdery mildew, rust, and leaf spot. To prevent these diseases, avoid overhead watering and ensure proper air circulation around the plant. If necessary, treat with a fungicide according to the package instructions.
Habitat
Penstemon Neomexicanus is native to the southwestern United States and northern Mexico. It grows in a variety of habitats, including rocky slopes, desert scrub, and open woodlands. This plant is well-adapted to low-water environments and is often used in xeriscaping projects.
Question and Answer
Q: Is Penstemon Neomexicanus a good plant for beginners?
A: Yes, Penstemon Neomexicanus is easy to care for and requires little maintenance.
Q: Can I grow Penstemon Neomexicanus in a container?
A: Yes, Penstemon Neomexicanus can be grown in a container as long as it has well-draining soil and receives adequate sunlight.
Q: How often should I fertilize Penstemon Neomexicanus?
A: Fertilize the plant once a month during the growing season with a balanced fertilizer.
Q: What is the hardiness zone for Penstemon Neomexicanus?
A: Penstemon Neomexicanus is hardy in USDA zones 5-9.
Related Plants
- Penstemon Barbatus
- Penstemon Digitalis
- Penstemon Grandiflorus
- Penstemon Hartwegii
References
- “Penstemon neomexicanus.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287875
- “Penstemon neomexicanus.” The Spruce. https://www.thespruce.com/penstemon-neomexicanus-plant-profile-4792154
- “Penstemon neomexicanus.” High Country Gardens. https://www.highcountrygardens.com/perennial-plants/penstemon/penstemon-neomexicanus
