North America Native Plant

Cascade Lake Ceanothus

Botanical name: Ceanothus ×serrulatus

USDA symbol: CESE

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Cascade Lake Ceanothus: A California Native Shrub Worth Knowing Meet the Cascade Lake ceanothus (Ceanothus ×serrulatus), a native California shrub that might just be the perfect addition to your drought-tolerant garden. While this particular hybrid doesn’t get as much spotlight as some of its flashier cousins in the Ceanothus family, ...

Cascade Lake Ceanothus: A California Native Shrub Worth Knowing

Meet the Cascade Lake ceanothus (Ceanothus ×serrulatus), a native California shrub that might just be the perfect addition to your drought-tolerant garden. While this particular hybrid doesn’t get as much spotlight as some of its flashier cousins in the Ceanothus family, it brings its own unique charm to the native plant world.

What Is Cascade Lake Ceanothus?

Cascade Lake ceanothus is a perennial shrub that’s truly Californian through and through. As a native to the Golden State, this plant has spent countless years adapting to local conditions, making it a smart choice for gardeners looking to work with nature rather than against it.

Like other members of the Ceanothus family, this is a multi-stemmed woody shrub that typically stays under 13-16 feet in height. Most specimens you’ll encounter will be much more manageable in size, making them perfect for residential landscapes.

Where Does It Call Home?

This native beauty is found exclusively in California, where it has carved out its niche in the state’s diverse ecosystems. As a true California native, it’s perfectly suited to the Mediterranean climate that defines much of the region.

Why Choose Cascade Lake Ceanothus?

Here’s where things get honest – while Cascade Lake ceanothus is undoubtedly a worthy native plant, detailed information about this specific hybrid can be surprisingly scarce. What we do know is that it shares the hardy, drought-tolerant characteristics that make the entire Ceanothus family so beloved by native plant enthusiasts.

If you’re drawn to the idea of supporting local ecosystems while creating a beautiful, low-maintenance landscape, any California native Ceanothus is generally a solid choice. They’re known for:

  • Exceptional drought tolerance once established
  • Supporting native wildlife and pollinators
  • Adding year-round structure to your garden
  • Requiring minimal inputs once settled in

Growing Cascade Lake Ceanothus: The Basics

While specific growing information for this particular hybrid is limited, Ceanothus species generally share similar care requirements. Here’s what typically works:

  • Location: Choose a sunny spot with good drainage
  • Water: Deep, infrequent watering during establishment, then rely on rainfall
  • Soil: Well-draining soil is crucial – these plants hate wet feet
  • Maintenance: Light pruning after flowering, if needed

A Word of Caution

Here’s the thing about Cascade Lake ceanothus – while it’s certainly a legitimate native plant, finding specific cultivation information and even plant material can be challenging. If you’re set on growing this particular hybrid, you might need to do some detective work to track down a reputable native plant nursery that carries it.

Consider the Alternatives

If you can’t locate Cascade Lake ceanothus or want something with more readily available growing information, consider exploring other California native Ceanothus species. Popular options like Julia Phelps ceanothus, Ray Hartman ceanothus, or Concha ceanothus offer similar benefits with more extensive cultivation guides and wider availability.

The Bottom Line

Cascade Lake ceanothus represents the wonderful diversity within California’s native plant community, even if it remains somewhat mysterious in the horticultural world. If you manage to find it and successfully grow it, you’ll be supporting native biodiversity while adding a unique specimen to your landscape. Just be prepared for the adventure of growing a plant that keeps some of its secrets to itself!

Cascade Lake 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 ×serrulatus McMinn (pro sp.) [cordulatus × prostratus] - Cascade Lake ceanothus

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