North America Native Plant

Ceanothus

Botanical name: Ceanothus ×lorenzenii

USDA symbol: CELO2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Ceanothus velutinus Douglas ex Hook. var. lorenzenii Jeps. (CEVEL2)   

Ceanothus: A Native California Shrub Worth Considering If you’re looking to add native California plants to your landscape, you might have come across Ceanothus ×lorenzenii in your research. This perennial shrub represents one of the many members of the diverse Ceanothus family, beloved by native plant enthusiasts for their contributions ...

Ceanothus: A Native California Shrub Worth Considering

If you’re looking to add native California plants to your landscape, you might have come across Ceanothus ×lorenzenii in your research. This perennial shrub represents one of the many members of the diverse Ceanothus family, beloved by native plant enthusiasts for their contributions to local ecosystems.

What is Ceanothus ×lorenzenii?

Ceanothus ×lorenzenii is a native shrub species that calls California home. Like other members of the Ceanothus genus, this plant is a multi-stemmed woody perennial that typically grows to be less than 13-16 feet in height, though it usually stays much smaller in most garden settings. The × in its name indicates this is likely a hybrid, which explains why detailed information about this specific plant can be harder to come by than some of its more well-known cousins.

You might also see this plant referenced by its synonym, Ceanothus velutinus Douglas ex Hook. var. lorenzenii Jeps., in older botanical references.

Where Does It Grow?

This native beauty is found naturally in California, making it a fantastic choice for gardeners looking to support local ecosystems and create landscapes that work in harmony with the regional climate.

Why Consider Planting Ceanothus ×lorenzenii?

There are several compelling reasons to consider this native shrub for your landscape:

  • Native plant benefits: As a California native, it’s naturally adapted to local conditions and supports native wildlife
  • Low maintenance potential: Native plants typically require less water and care once established
  • Ecosystem support: Native shrubs provide habitat and food sources for local birds, insects, and other wildlife
  • Drought tolerance: Most Ceanothus species are well-adapted to California’s Mediterranean climate

The Challenge: Limited Information

Here’s where things get a bit tricky. Ceanothus ×lorenzenii appears to be a lesser-documented member of the Ceanothus family. While we know it’s a native California shrub with the typical multi-stemmed growth habit, specific details about its growing requirements, mature size, flower characteristics, and care needs aren’t readily available in standard horticultural resources.

What This Means for Gardeners

If you’re considering Ceanothus ×lorenzenii for your landscape, you’ll want to:

  • Contact local native plant societies or botanical gardens for more specific information
  • Consider well-documented Ceanothus alternatives that are easier to source and grow
  • If you do find this plant available, treat it similarly to other California native Ceanothus species
  • Ensure you’re purchasing from a reputable native plant nursery

Alternative Native Ceanothus Options

While Ceanothus ×lorenzenii might be intriguing, you might have better success with more commonly available native Ceanothus species such as:

  • Ceanothus ‘Ray Hartman’ – a popular hybrid with beautiful blue flowers
  • Ceanothus ‘Dark Star’ – compact with deep blue blooms
  • Ceanothus ‘Concha’ – known for its stunning purple-blue flowers
  • Ceanothus ‘Joyce Coulter’ – excellent for slopes and dry areas

The Bottom Line

Ceanothus ×lorenzenii represents the fascinating diversity within California’s native plant community. While its relative obscurity makes it challenging to provide specific growing advice, its native status means it could be a valuable addition to the right garden. However, unless you have access to specific growing information or the plant itself, you might be better served exploring the many well-documented Ceanothus options that offer similar ecological benefits with more readily available care guidelines.

Remember, the goal of native gardening is to create sustainable, wildlife-friendly landscapes. Whether you choose this particular Ceanothus or one of its better-known relatives, you’ll be making a positive contribution to your local ecosystem while enjoying the beauty and resilience that California native plants bring to the garden.

Ceanothus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rhamnales

Family

Rhamnaceae Juss. - Buckthorn family

Genus

Ceanothus L. - ceanothus

Species

Ceanothus ×lorenzenii (Jeps.) McMinn [cordulatus × velutinus] - ceanothus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA