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Description
Ceanothus Cordulatus, also known as Mountain Whitethorn, is a flowering evergreen shrub that is native to California, United States. It belongs to the Rhamnaceae family and is known for its stunning blue flowers that bloom from late winter to early spring.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rhamnaceae |
| Genus | Ceanothus |
Appearance
Ceanothus Cordulatus is a dense, multi-stemmed shrub that can grow up to 15 feet tall and 10 feet wide. It has glossy, dark green leaves that are about 2 inches long and 1 inch wide. The leaves are elliptical in shape and have serrated edges. The plant produces clusters of small, fragrant, blue flowers that bloom from late winter to early spring. The flowers are about 1/4 inch in diameter and have five petals.
Care Guide
Water: Ceanothus Cordulatus prefers well-drained soil and moderate watering. Water the plant deeply once a week during the growing season and reduce watering in winter.Fertilization: Fertilize the plant with a balanced fertilizer in spring before new growth appears.Soil: The plant prefers well-drained soil that is slightly acidic. Amend the soil with organic matter before planting.Sunlight: Ceanothus Cordulatus prefers full sun to partial shade.Hardiness Zones: The plant is hardy in USDA zones 7 to 10.
Common Pests & Diseases
Ceanothus Cordulatus is susceptible to root rot if the soil is not well-drained. The plant can also be affected by powdery mildew and aphids. To prevent these issues, ensure the plant is in well-drained soil and regularly inspect the plant for signs of pests or disease.
Habitat
Ceanothus Cordulatus is native to California and can be found in the Sierra Nevada Mountains, the Coast Ranges, and the Transverse Ranges. The plant prefers dry, rocky slopes and can be found at elevations of up to 7,500 feet.
Question and Answer
Q: Can Ceanothus Cordulatus be grown in a container?
A: Ceanothus Cordulatus can be grown in a container, but it will not reach its full potential size.Q: How often should I prune my Ceanothus Cordulatus?
A: Prune the plant in late spring or early summer after it has finished blooming. Remove any dead or damaged branches and shape the plant as desired.Q: Can Ceanothus Cordulatus be propagated from cuttings?
A: Yes, Ceanothus Cordulatus can be propagated from semi-hardwood cuttings taken in summer.Q: Does Ceanothus Cordulatus attract pollinators?
A: Yes, Ceanothus Cordulatus is an important source of nectar for bees and butterflies.
Related Plants
– Ceanothus Thyrsiflorus- Ceanothus Concha- Ceanothus Yankee Point
References
– California Native Plant Society. (n.d.). Ceanothus cordulatus. Retrieved from https://www.cnps.org/gardening/gardening-with-natives/ceanothus-cordulatus- Las Pilitas Nursery. (n.d.). Ceanothus cordulatus. Retrieved from https://www.laspilitas.com/nature-of-california/plants/ceanothus-cordulatus
