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Ceanothus Diversifolius

Ceanothus Diversifolius

Ceanothus Diversifolius, commonly known as the “Variable-Leaved Ceanothus,” is a shrub species native to California, Oregon, and Baja California. It is a member of the Rhamnaceae family and is known for its blue flowers that bloom in the spring.

Taxonomic Information

Domain Eukarya
Kingdom Plantae
Phylum Spermatophyta
Class Magnoliopsida
Order Rosales
Family Rhamnaceae
Genus Ceanothus

Appearance

The Variable-Leaved Ceanothus is a dense, evergreen shrub that can grow up to 12 feet tall and wide. Its leaves are oval-shaped, and the size ranges from 1 to 4 cm long and 0.5 to 1.5 cm wide. The leaves are glossy and range in color from deep green to blue-green. The flowers are small and clustered, with each cluster measuring up to 3 cm in diameter. The flowers are usually blue, but they can also be white or pink.

Care Guide

The Ceanothus Diversifolius requires moderate watering, especially during the summer months. It is best to water the shrub deeply but infrequently, allowing the soil to dry out slightly between watering. Fertilization is not necessary, but a balanced fertilizer can be applied in the spring. The shrub prefers well-draining, sandy soil that is slightly acidic. It also thrives in full sun or partial shade and can tolerate temperatures as low as 10°F.

Common Pests & Diseases

The Variable-Leaved Ceanothus is susceptible to various pests and diseases, including spider mites, aphids, and root rot. Spider mites and aphids can be controlled with insecticidal soap or neem oil. Root rot can be prevented by ensuring that the soil is well-draining and not overwatering the shrub.

Habitat

The Ceanothus Diversifolius is native to California, Oregon, and Baja California. It typically grows in chaparral, coastal sage scrub, and oak woodland habitats. The shrub can also be found in rocky areas, canyons, and slopes.

Question and Answer

Q: How often should I water the Ceanothus Diversifolius?
A: The shrub requires moderate watering, and it is best to water deeply but infrequently, allowing the soil to dry out slightly between watering.

Q: What is the hardiness zone for the Variable-Leaved Ceanothus?
A: The shrub can tolerate temperatures as low as 10°F and is hardy in zones 8 to 10.

Q: Can the Ceanothus Diversifolius be grown in containers?
A: Yes, the shrub can be grown in containers, but it requires well-draining soil and regular watering.

Q: How tall can the Variable-Leaved Ceanothus grow?
A: The shrub can grow up to 12 feet tall and wide.

Related Plants

  • Ceanothus Concha
  • Ceanothus Dark Star
  • Ceanothus Griseus Horizontalis
  • Ceanothus Thyrsiflorus Repens

References

  • “Ceanothus Diversifolius.” Las Pilitas Nursery. Accessed 24 Sept. 2021. https://www.laspilitas.com/nature-of-california/plants/ceanothus-diversifolius
  • “Ceanothus Diversifolius.” San Marcos Growers. Accessed 24 Sept. 2021. https://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=2136
  • “Ceanothus Diversifolius.” Theodore Payne Foundation. Accessed 24 Sept. 2021. https://www.theodorepayne.org/mediawiki/index.php/Ceanothus_diversifolius

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