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Description
Penstemon Hallii is a flowering perennial plant native to the western United States, specifically found in the Rocky Mountains and Great Basin regions. Also known as Hall’s beardtongue or Hall’s penstemon, it is a member of the Plantaginaceae family and is prized for its beautiful blooms that range in color from pale pink to deep magenta.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Penstemon |
Appearance
Penstemon Hallii typically grows to be between 1 and 2 feet tall, with a spread of around 1 foot. Its narrow, lance-shaped leaves are a medium green color and grow to be around 4 inches long. The flowers of the plant are tubular in shape and grow in clusters on tall spikes that can reach up to 3 feet in height. The flowers themselves can be anywhere from 1 to 2 inches long, and come in a range of colors including pale pink, deep magenta, and shades of purple.
Care Guide
Penstemon Hallii is a relatively easy plant to care for, and thrives in full sun to partial shade. It prefers well-draining soil that is kept evenly moist, but not waterlogged. Fertilize the plant once a month during the growing season with a balanced fertilizer, and be sure to mulch around the base of the plant to help retain moisture. Penstemon Hallii is hardy to USDA zones 5-9.
Common Pests & Diseases
Penstemon Hallii is generally resistant to pests and diseases, but can occasionally be affected by spider mites or powdery mildew. Monitor the plant closely for signs of infestation, and treat with a horticultural oil or fungicide if necessary.
Habitat
Penstemon Hallii is native to the western United States, and can be found growing in a variety of habitats including meadows, rocky slopes, and open woodlands. It is most commonly found at elevations between 3,000 and 9,000 feet.
Question and Answer
Q: Is Penstemon Hallii a good plant for attracting pollinators?
A: Yes, Penstemon Hallii is a great choice for attracting pollinators such as bees and butterflies to your garden.
Q: How often should I water Penstemon Hallii?
A: Water Penstemon Hallii deeply once a week, or more frequently if the soil is particularly dry.
Q: Can I grow Penstemon Hallii in a container?
A: Yes, Penstemon Hallii can be grown in a container as long as it is provided with well-draining soil and adequate water and sunlight.
Q: When is the best time to plant Penstemon Hallii?
A: The best time to plant Penstemon Hallii is in the spring, after the danger of frost has passed.
Related Plants
- Penstemon strictus
- Penstemon digitalis
- Penstemon cobaea
- Penstemon mexicali
References
- “Penstemon Hallii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c402.
- “Penstemon Hallii.” Plant Database, www.wildflower.org/plants/result.php?id_plant=PEHA2.
- “Hall’s Penstemon.” High Country Gardens, www.highcountrygardens.com/perennial-plants/penstemon/penstemon-hallii.
