Contents
Description
Castilleja Linariifolia, commonly known as narrow-leaved Indian paintbrush, is a perennial herbaceous plant belonging to the Orobanchaceae family. It is native to North America and can be found in various habitats such as meadows, prairies, and mountain slopes. The plant has an upright stem that grows up to 1.5 feet tall and can branch out towards the top. Its leaves are linear, narrow, and alternate, with a length of 1-3 inches. The flower bracts are red, pink, or yellow and have a tubular shape, which gives them a unique appearance.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Orobanchaceae |
| Genus | Castilleja |
Appearance
The narrow-leaved Indian paintbrush has an attractive appearance due to its colorful flower bracts. The plant can grow up to 1.5 feet tall and has narrow, linear leaves that are alternate in arrangement. The flower bracts are tubular and come in shades of red, pink, or yellow. The plant blooms in late spring or early summer and can continue to flower until fall. The flowers attract pollinators such as bees, butterflies, and hummingbirds.
Care Guide
To care for Castilleja Linariifolia, you should ensure it has the right amount of water, fertilization, soil, sunlight, and hardiness zones. The plant prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil types, from sandy to clay, but prefers a slightly acidic to neutral pH.Watering should be done regularly but not excessively. The plant prefers moist soil but can tolerate periods of drought. Fertilization can be done during the growing season with a balanced fertilizer.Castilleja Linariifolia prefers full sun to partial shade and can tolerate a range of temperatures. It is hardy in USDA zones 4-8.
Common Pests & Diseases
Castilleja Linariifolia is relatively pest-free but can be susceptible to leaf spot and powdery mildew. Leaf spot is a fungal disease that causes yellow or brown spots on the leaves, while powdery mildew is a white powdery growth that forms on the leaves. To prevent these diseases, ensure the plant has good air circulation, and avoid overhead watering.
Habitat
Castilleja Linariifolia is native to North America and can be found in various habitats such as meadows, prairies, and mountain slopes. It prefers well-draining soil and full sun to partial shade.
Question and Answer
Q: Is Castilleja Linariifolia a perennial or annual plant?
A: Castilleja Linariifolia is a perennial plant.
Q: What is the hardiness zone for Castilleja Linariifolia?
A: Castilleja Linariifolia is hardy in USDA zones 4-8.
Q: What pests and diseases are common in Castilleja Linariifolia?
A: Castilleja Linariifolia is relatively pest-free but can be susceptible to leaf spot and powdery mildew.
Q: What is the ideal soil pH for Castilleja Linariifolia?
A: Castilleja Linariifolia prefers slightly acidic to neutral soil pH.
Related Plants
- Castilleja Sessiliflora
- Castilleja Miniata
- Castilleja Cristata
- Castilleja Occidentalis
References
- “Castilleja linariifolia.” Missouri Botanical Garden. Accessed September 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280850&isprofile=0&basic=castilleja%20linariifolia.
- “Castilleja linariifolia.” USDA Plants Database. Accessed September 2021. https://plants.usda.gov/core/profile?symbol=cali2.
- “Castilleja linariifolia – Narrow-leaved Indian Paintbrush.” Plant Database. Accessed September 2021. https://www.wildflower.org/plants/result.php?id_plant=CALI2.
