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Description
Ceanothus Decornutus, commonly known as Sierra Blue, is a shrub native to California, United States. It belongs to the Rhamnaceae family and is a popular ornamental plant in gardens and landscapes.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rhamnaceae |
| Genus | Ceanothus |
Appearance
Ceanothus Decornutus is a fast-growing shrub that can reach a height of 6 to 8 feet and a width of 6 to 10 feet. It has oval-shaped, glossy green leaves that are about 1 inch long. The plant produces clusters of small, fragrant blue flowers in late spring and early summer, which attract pollinators such as bees, butterflies, and hummingbirds. The flowers are followed by small, dark blue fruits that are edible but not commonly consumed.
Care Guide
Ceanothus Decornutus requires moderate watering, especially during the summer months. It prefers well-draining soil and can tolerate a range of soils, including sandy, loamy, and clay soils. The plant needs full sun to thrive and can tolerate partial shade. It is hardy in USDA zones 7 to 10.
Common Pests & Diseases
Ceanothus Decornutus can be susceptible to fungal diseases, such as powdery mildew and leaf spot. It can also be affected by pests such as spider mites and aphids. To prevent these problems, it is recommended to provide good air circulation around the plant and to avoid overhead watering.
Habitat
Ceanothus Decornutus is native to California and can be found in a variety of habitats, including chaparral, coastal sage scrub, and oak woodlands. It grows best in areas with dry summers and mild winters, and can tolerate drought conditions once established.
Question and Answer
Q: Is Ceanothus Decornutus deer-resistant?
A: Yes, Ceanothus Decornutus is deer-resistant.
Q: Can Ceanothus Decornutus be grown in containers?
A: Yes, Ceanothus Decornutus can be grown in containers, but it may require more frequent watering.
Q: Does Ceanothus Decornutus need pruning?
A: Ceanothus Decornutus does not require pruning, but it can be pruned after flowering to maintain its shape.
Q: How often should Ceanothus Decornutus be fertilized?
A: Ceanothus Decornutus does not require frequent fertilization, but can benefit from a slow-release fertilizer in the spring.
Related Plants
- Ceanothus thyrsiflorus
- Ceanothus arboreus
- Ceanothus impressus
References
- University of California Agriculture and Natural Resources. (n.d.). Ceanothus. Retrieved from https://ucanr.edu/sites/UrbanHort/files/80113.pdf
- Missouri Botanical Garden. (n.d.). Ceanothus Decornutus. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c840
- California Native Plant Society. (n.d.). Ceanothus Decornutus. Retrieved from https://www.calscape.org/Ceanothus-decorus-(Sierra-Blue)
