North America Native Plant

Rubber Rabbitbrush

Botanical name: Ericameria nauseosa consimilis var. ceruminosa

USDA symbol: ERNAC3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Chrysothamnus nauseosus (Pall. ex Pursh) Britton ssp. ceruminosus (Durand & Hilg.) H.M. Hall & Clem. (CHNAC)   

Rubber Rabbitbrush: A California Native Worth Knowing If you’re passionate about native gardening in California, you might want to get acquainted with rubber rabbitbrush (Ericameria nauseosa consimilis var. ceruminosa). This perennial shrub represents one of nature’s perfectly adapted plants, having evolved specifically for California’s unique climate and conditions. What Makes ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Rubber Rabbitbrush: A California Native Worth Knowing

If you’re passionate about native gardening in California, you might want to get acquainted with rubber rabbitbrush (Ericameria nauseosa consimilis var. ceruminosa). This perennial shrub represents one of nature’s perfectly adapted plants, having evolved specifically for California’s unique climate and conditions.

What Makes Rubber Rabbitbrush Special

Rubber rabbitbrush is a true California native, meaning it has spent thousands of years adapting to local conditions. As a perennial shrub, it provides year-round structure to your garden while requiring minimal intervention once established. This multi-stemmed woody plant typically stays under 13-16 feet in height, making it a manageable addition to most landscape designs.

Where You’ll Find It Growing Wild

This particular variety of rubber rabbitbrush calls California home, where it has carved out its own ecological niche. Its native status makes it an excellent choice for gardeners looking to create landscapes that support local ecosystems and wildlife.

A Word About Conservation

Here’s something important to know: rubber rabbitbrush has a conservation status that suggests it may be somewhat uncommon in its native range. If you’re interested in growing this plant, make sure you source it responsibly from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Why Consider Rubber Rabbitbrush for Your Garden

Native plants like rubber rabbitbrush offer several advantages:

  • Naturally adapted to local climate conditions
  • Typically requires less water once established
  • Supports local wildlife and pollinators
  • Provides authentic regional character to your landscape
  • Generally more resistant to local pests and diseases

Garden Design Considerations

As a shrub, rubber rabbitbrush can serve multiple roles in your landscape design. Use it as a foundation plant, incorporate it into mixed native borders, or let it shine as a specimen plant. Its perennial nature means it’ll provide structure through the seasons, while its California origins make it a natural fit for Mediterranean-style gardens and drought-tolerant landscapes.

Growing Tips and Care

While specific growing requirements for this variety aren’t well-documented, most California native shrubs share some common preferences. They typically appreciate well-draining soil and, once established, prefer infrequent but deep watering that mimics natural rainfall patterns.

When planting any native shrub, consider these general guidelines:

  • Plant in fall when possible, giving roots time to establish before summer heat
  • Choose a location with appropriate drainage
  • Avoid overwatering once established
  • Minimal fertilization is usually best for native plants

The Bottom Line

Rubber rabbitbrush represents the kind of thoughtful plant choice that supports both beautiful gardens and healthy ecosystems. While it may not be the easiest plant to source due to its conservation status, it’s worth seeking out from responsible growers if you’re creating a truly native California landscape. Just remember to buy from nurseries that propagate their own plants rather than wild-collecting, helping ensure this native beauty continues to thrive in its natural habitat.

Whether you’re a seasoned native plant gardener or just beginning to explore California’s botanical treasures, rubber rabbitbrush offers an opportunity to connect your garden directly to the natural heritage of your region.

Rubber Rabbitbrush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Ericameria Nutt. - goldenbush

Species

Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird - rubber rabbitbrush

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