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Description
Polemonium foliosissimum, commonly known as the Sky pilot or Alpine Jacob’s Ladder, is a perennial plant belonging to the Polemoniaceae family. It is native to the Western United States and can be found growing in high elevations up to 14,000 feet. This plant has a unique and beautiful appearance, making it an attractive addition to any garden.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Polemoniaceae |
| Genus | Polemonium |
Appearance
Polemonium foliosissimum has a compact and bushy growth habit, reaching a height of 6-12 inches and a width of 12-18 inches. The leaves are small and fern-like, with a bluish-green color. The flowers are trumpet-shaped, ranging in color from blue to purple, and are produced in clusters at the top of the stems. The blooming period usually occurs in the summer months from June to August.
Care Guide
Water
Polemonium foliosissimum prefers moist soil but does not like to be waterlogged. It is important to water the plant regularly, but avoid overwatering, as this can lead to root rot.
Fertilization
Fertilization is not necessary for this plant, but if desired, a balanced fertilizer can be applied in the spring.
Soil
This plant prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil types, including sandy or clay soils.
Sunlight
Polemonium foliosissimum prefers partial shade to full sun exposure, but it can tolerate full shade.
Hardiness Zones
This plant is hardy in USDA zones 3-7.
Common Pests & Diseases
Polemonium foliosissimum is generally pest and disease-free. However, it can be susceptible to powdery mildew and leaf spot if grown in humid conditions or overcrowded areas. These issues can be addressed by improving air circulation and spacing the plants apart.
Habitat
Polemonium foliosissimum is native to the Western United States and can be found growing in high elevations up to 14,000 feet. It is commonly found in rocky or gravelly soil in alpine and subalpine regions.
Question and Answer
Q: Is Polemonium foliosissimum a good plant for beginner gardeners?
A: Yes, this plant is easy to care for and does not require much maintenance.
Q: Can Polemonium foliosissimum be grown in containers?
A: Yes, this plant can be grown in containers as long as the container has good drainage and is large enough to accommodate the plant’s growth habit.
Q: Does Polemonium foliosissimum attract pollinators?
A: Yes, this plant attracts bees and butterflies with its nectar-rich flowers.
Q: Can Polemonium foliosissimum be grown indoors?
A: No, this plant requires full sun exposure and is not suitable for indoor growing.
Related Plants
- Polemonium caeruleum (Jacob’s Ladder)
- Polemonium reptans (Creeping Jacob’s Ladder)
- Polemonium viscosum (Sticky Jacob’s Ladder)
References
- “Polemonium foliosissimum (Alpine Jacob’s Ladder).” Missouri Botanical Garden. Accessed August 23, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=277236.
- “Polemonium foliosissimum.” Plant Finder. Accessed August 23, 2021. https://www.highcountrygardens.com/perennial-plants/polemonium/polemonium-foliosissimum.
- “Sky Pilot – Polemonium foliosissimum.” Gardening Know How. Accessed August 23, 2021. https://www.gardeningknowhow.com/ornamental/flowers/polemonium/sky-pilot-polemonium.htm.
