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Description
Mertensia Oblongifolia, also known as the Rocky Mountain bluebells, is a species of flowering plant that belongs to the Boraginaceae family. It is a perennial herbaceous plant that grows up to 40cm tall. It is commonly found in the western part of North America, from Alaska to New Mexico.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Boraginales |
| Family | Boraginaceae |
| Genus | Mertensia |
Appearance
The leaves of Mertensia Oblongifolia are alternate, simple, and oblong to lanceolate in shape. The flowers are bell-shaped, blue, and grow in clusters at the end of the stems. The plant blooms from April to July. Its roots are shallow and fibrous, and it spreads by rhizomes.
Care Guide
Mertensia Oblongifolia requires well-drained soil that is rich in organic matter. It prefers partial shade to full sun exposure. It is recommended to water the plant regularly, especially during the hot and dry summer months. Fertilize the plant in the spring with a balanced fertilizer. It is hardy in zones 3 to 8.
Common Pests & Diseases
Mertensia Oblongifolia is generally not prone to pest or disease problems. However, it may occasionally suffer from powdery mildew, rust, or leaf spot. To prevent these issues, avoid overhead watering and ensure good air circulation around the plant.
Habitat
Mertensia Oblongifolia is commonly found in rocky or gravelly soils, on slopes or in meadows at high elevations. It is often found in subalpine and alpine ecosystems, from 1,000 meters to 4,000 meters in elevation.
Question and Answer
Q: Can Mertensia Oblongifolia grow in full sun?
A: Yes, Mertensia Oblongifolia can grow in full sun, but it prefers partial shade.
Q: How often should I water Mertensia Oblongifolia?
A: Mertensia Oblongifolia should be watered regularly, especially during the hot and dry summer months.
Q: What is the hardiness zone for Mertensia Oblongifolia?
A: Mertensia Oblongifolia is hardy in zones 3 to 8.
Q: Does Mertensia Oblongifolia spread?
A: Yes, Mertensia Oblongifolia spreads by rhizomes.
Related Plants
- Mertensia Paniculata
- Mertensia Maritima
- Mertensia Virginica
References
- USDA Plants Database: https://plants.usda.gov/core/profile?symbol=MEOB4
- Missouri Botanical Garden: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=n430
- Gardening Know How: https://www.gardeningknowhow.com/ornamental/flowers/bluebells/growing-mertensia-bluebells.htm
