North America Native Plant

Parry’s Rabbitbrush

Botanical name: Ericameria parryi var. imula

USDA symbol: ERPAI

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Chrysothamnus parryi (A. Gray) Greene ssp. imulus H.M. Hall & Clem. (CHPAI)   

Parry’s Rabbitbrush: A Lesser-Known California Native Worth Discovering If you’re on the hunt for native California plants that can handle tough conditions while supporting local ecosystems, you might want to get acquainted with Parry’s rabbitbrush (Ericameria parryi var. imula). This particular variety of rabbitbrush is one of those plants that ...

Parry’s Rabbitbrush: A Lesser-Known California Native Worth Discovering

If you’re on the hunt for native California plants that can handle tough conditions while supporting local ecosystems, you might want to get acquainted with Parry’s rabbitbrush (Ericameria parryi var. imula). This particular variety of rabbitbrush is one of those plants that flies under the radar, but it deserves a spot in the conversation about native landscaping.

What Is Parry’s Rabbitbrush?

Parry’s rabbitbrush is a perennial shrub that’s truly Californian through and through. This multi-stemmed woody plant typically stays under 13-16 feet tall, making it a manageable size for most garden settings. You might also see it listed under its former scientific name, Chrysothamnus parryi ssp. imulus, but botanists have since moved it to the Ericameria genus.

As a native species, this rabbitbrush has been quietly doing its thing in California’s landscapes long before any of us started thinking about drought-tolerant gardening. It’s part of the sunflower family and shares the hardy, resilient characteristics that make rabbitbrushes such survivors in challenging environments.

Where Does It Grow Naturally?

This variety of Parry’s rabbitbrush calls California home, though specific distribution details for this particular variety are somewhat limited in available records. Like many of its rabbitbrush relatives, it likely thrives in areas where other plants might struggle with dry conditions and poor soils.

Should You Plant Parry’s Rabbitbrush?

Here’s where things get interesting – and a bit challenging. While Parry’s rabbitbrush has all the makings of a great native plant choice, specific information about this particular variety is quite limited. This doesn’t mean it’s not worth considering, but it does mean you’ll want to do some detective work.

The Good News About Rabbitbrushes

What we do know is that rabbitbrushes in general are fantastic plants for several reasons:

  • They’re incredibly drought-tolerant once established
  • They typically require minimal care and maintenance
  • Many species provide late-season blooms when other plants are winding down
  • They’re generally excellent for wildlife, supporting pollinators and other beneficial insects
  • They can handle poor soils that challenge other plants

The Challenge

The tricky part with Ericameria parryi var. imula specifically is that detailed growing information for this exact variety is scarce. This could mean a few things: it might be quite rare, it might be very localized in its distribution, or it simply hasn’t been widely studied or cultivated.

What This Means for Gardeners

If you’re interested in this particular variety, here’s your best approach:

  • Contact local native plant societies in California for more specific information
  • Check with specialized native plant nurseries that focus on rare or uncommon varieties
  • Consider other well-documented Ericameria species that might serve similar functions in your landscape
  • If you do find this variety, ensure it’s from a reputable source with proper provenance

Growing Tips (General Rabbitbrush Guidance)

While we don’t have specific care instructions for this variety, most rabbitbrushes share similar preferences:

  • Sun: Full sun is typically preferred
  • Water: Drought-tolerant once established; avoid overwatering
  • Soil: Well-draining soil; many species tolerate poor or rocky soils
  • Maintenance: Generally low-maintenance; may benefit from occasional pruning

Alternative Considerations

If you’re drawn to the idea of rabbitbrush but can’t locate this specific variety, consider these well-documented California natives:

  • Rubber rabbitbrush (Ericameria nauseosa)
  • Other varieties of Parry’s rabbitbrush that are more readily available
  • Similar shrubs like brittlebush (Encelia farinosa) or coyote brush (Baccharis pilularis)

The Bottom Line

Parry’s rabbitbrush (var. imula) represents one of those intriguing plants that reminds us how much we still have to learn about our native flora. While it’s undoubtedly a legitimate California native with potential garden value, the limited available information means you’ll need to be a bit of a plant detective if you want to grow it.

That said, don’t let the mystery discourage you from exploring native rabbitbrushes in general. They’re tough, beautiful, and ecologically valuable plants that deserve more attention in sustainable landscaping. Just make sure you’re working with reputable sources and getting proper identification for whatever variety you choose to plant.

Parry’s 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 parryi (A. Gray) G.L. Nesom & Baird - Parry's rabbitbrush

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