Contents
Description
Ceanothus Papillosus, also known as Wart-stemmed Ceanothus, is a flowering shrub native to California. It belongs to the Rhamnaceae family and is a popular choice among gardeners due to its attractive blue flowers and easy maintenance.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rhamnaceae |
| Genus | Ceanothus |
Appearance
Ceanothus Papillosus can grow up to 10 feet tall and 10 feet wide. It has distinctive wart-like bumps on its stems, hence the common name. The leaves are dark green and glossy, and the flowers are small and clustered in dense panicles. The flowers are typically blue or lavender, but can also be white, pink, or purple. The blooming period lasts from late spring to early summer.
Care Guide
Water: Ceanothus Papillosus is drought-tolerant and does not require frequent watering. However, it should be watered deeply during extended dry periods.
Fertilization: Fertilization is not necessary for this plant, but a light application of a balanced fertilizer in the spring can promote growth and flowering.
Soil: Ceanothus Papillosus prefers well-draining soil that is slightly acidic with a pH of 6.0 to 6.5.
Sunlight: This plant thrives in full sun to partial shade.
Hardiness Zones: Ceanothus Papillosus is hardy in zones 8 to 10.
Common Pests & Diseases
Ceanothus Papillosus is generally resistant to pests and diseases. However, it can be susceptible to spider mites, scale insects, and root rot if overwatered or planted in poorly-draining soil.
Habitat
Ceanothus Papillosus is native to California and can be found in a variety of habitats, including coastal sage scrub, chaparral, and oak woodlands. It prefers dry, rocky slopes and canyons.
Question and Answer
Q: Is Ceanothus Papillosus deer-resistant?
A: Yes, this plant is deer-resistant.
Q: Can Ceanothus Papillosus be grown in containers?
A: Yes, it can be grown in containers, but it may require more frequent watering than if planted in the ground.
Q: How often should I prune Ceanothus Papillosus?
A: Pruning should be done in the late spring or early summer after flowering. It should be pruned lightly to maintain its shape and promote bushier growth.
Q: Can I propagate Ceanothus Papillosus from cuttings?
A: Yes, it can be propagated from semi-hardwood cuttings taken in the summer.
Related Plants
- Ceanothus thyrsiflorus
- Ceanothus impressus
- Ceanothus griseus
- Ceanothus arboreus
References
- “Ceanothus Papillosus.” Las Pilitas Nursery, www.laspilitas.com/nature-of-california/plants/ceanothus-papillosus.
- “Ceanothus Papillosus.” Calflora, www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1675.
- “Ceanothus Papillosus.” Sunset Western Garden Book, 9th ed., Sunset Publishing Corporation, 2012, p. 151.
