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Description
Oreostemma Alpigenum, also known as alpine aster, is a perennial herbaceous plant that is native to the high-altitude regions of the western United States. It belongs to the family Asteraceae and is characterized by its yellow flowers and hairy stems that grow up to 20 inches tall.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Dicotyledonae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Oreostemma |
Appearance
The alpine aster has hairy leaves that grow up to 3 inches long and 1 inch wide. Its yellow flowers are daisy-like and measure about 1 inch in diameter. The plant blooms from July to September and its seeds are small and light-colored.
Care Guide
To care for an alpine aster, it is important to provide it with well-draining soil that is rich in nutrients. Water the plant regularly, but avoid overwatering as it can lead to root rot. Fertilize the plant once a month during the growing season with a balanced fertilizer. The plant thrives in full sun but can also tolerate partial shade. It is hardy in USDA zones 4-8.
Common Pests & Diseases
The alpine aster is susceptible to aphids, spider mites, and powdery mildew. To prevent these pests and diseases, keep the plant well-watered and avoid overcrowding. If an infestation occurs, use insecticidal soap or neem oil to control the pests.
Habitat
The alpine aster is found in high-altitude regions of the western United States, including the Rocky Mountains and Sierra Nevada. It grows in rocky or gravelly soils in alpine meadows and on mountain slopes.
Question and Answer
Q: Is the alpine aster an endangered species?
A: No, the alpine aster is not currently listed as an endangered species.
Q: Can the alpine aster be grown in a container?
A: Yes, the alpine aster can be grown in a container as long as it is provided with well-draining soil and adequate sunlight.
Q: Does the alpine aster attract pollinators?
A: Yes, the yellow flowers of the alpine aster attract bees and butterflies.
Q: Can the alpine aster be propagated from seeds?
A: Yes, the alpine aster can be propagated from seeds, which should be sown in the spring.
Related Plants
- Oreostemma Attenuatum
- Oreostemma Elatum
- Oreostemma Paniculatum
References
- “Oreostemma Alpigenum.” USDA Plants Database, plants.usda.gov/core/profile?symbol=ORAL4.
- “Alpine Aster.” Colorado State University Extension, 2019, extension.colostate.edu/topic-areas/yard-garden/alpine-aster-7-244/.
- “Oreostemma Alpigenum.” Flora of North America, www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242417111.
