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Description
Horkelia Bolanderi, also known as Bolander’s horkelia, is a species of flowering plant in the rose family. It is native to the western United States, specifically California and Oregon. This plant grows in rocky areas and gravelly soils, and it can be found at elevations ranging from sea level to over 10,000 feet. Horkelia Bolanderi is a perennial herb that can grow up to 18 inches tall. It blooms from June to August, producing clusters of small white or pink flowers.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Horkelia |
| Species | Bolanderi |
Appearance
Horkelia Bolanderi has a basal rosette of leaves that can be up to 6 inches long. The leaves are green, hairy, and deeply lobed. The stems of this plant are also hairy and can be reddish in color. The flowers are small (about 0.5 inches in diameter) and can be white or pink. They bloom in clusters at the top of the stems. After blooming, the flowers give way to small, hairy fruits.
Care Guide
Water
Horkelia Bolanderi prefers well-draining soil and does not like to be kept too wet. Water this plant deeply once a week, or more frequently in hot, dry weather.
Fertilization
Horkelia Bolanderi does not require much fertilization. You can apply a balanced, all-purpose fertilizer once a month during the growing season.
Soil
Horkelia Bolanderi prefers well-draining soil that is slightly acidic. It can grow in a variety of soil types, including sandy and rocky soils.
Sunlight
Horkelia Bolanderi prefers full sun but can tolerate some shade.
Hardiness Zones
Horkelia Bolanderi can be grown in USDA hardiness zones 5 to 9.
Common Pests & Diseases
Horkelia Bolanderi is generally pest and disease resistant. However, it can be susceptible to root rot if overwatered.
Habitat
Horkelia Bolanderi is native to the western United States, specifically California and Oregon. It grows in rocky areas and gravelly soils, and it can be found at elevations ranging from sea level to over 10,000 feet.
Question and Answer
Q: What is the bloom time for Horkelia Bolanderi?
A: Horkelia Bolanderi blooms from June to August.
Q: What type of soil does Horkelia Bolanderi prefer?
A: Horkelia Bolanderi prefers well-draining soil that is slightly acidic.
Q: Is Horkelia Bolanderi pest and disease resistant?
A: Horkelia Bolanderi is generally pest and disease resistant, but it can be susceptible to root rot if overwatered.
Q: What is the hardiness zone for Horkelia Bolanderi?
A: Horkelia Bolanderi can be grown in USDA hardiness zones 5 to 9.
Related Plants
Here are some other plants in the Horkelia genus:
- Horkelia californica
- Horkelia clevelandii
- Horkelia congesta
- Horkelia fusca
References
- https://www.fs.fed.us/wildflowers/plant-of-the-week/horkelia_bolanderi.shtml
- https://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Horkelia+bolanderi
- https://plants.usda.gov/core/profile?symbol=HOB1
