North America Native Plant

Plummer’s Baccharis

Botanical name: Baccharis plummerae plummerae

USDA symbol: BAPLP

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Plummer’s Baccharis: A Rare California Native Worth Growing Meet Plummer’s baccharis (Baccharis plummerae plummerae), a charming little shrub that’s as tough as it is rare. This California native might not be the showiest plant in your garden, but it packs a punch when it comes to supporting local ecosystems while ...

Rare plant alert!

Region: Conservation status by state

Status: S3T3: Status is uncertain but is somewhere between the following rankings: 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 ⚘ 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. ⚘

Plummer’s Baccharis: A Rare California Native Worth Growing

Meet Plummer’s baccharis (Baccharis plummerae plummerae), a charming little shrub that’s as tough as it is rare. This California native might not be the showiest plant in your garden, but it packs a punch when it comes to supporting local ecosystems while requiring almost no fuss from you.

What Makes This Plant Special

Plummer’s baccharis is a perennial shrub that stays refreshingly compact, typically growing under 1.5 feet tall and never exceeding 3 feet at maturity. Think of it as the perfect good things come in small packages plant. This low-growing beauty is native to the lower 48 states, specifically calling California home.

Currently, this subspecies is found only in California, where it has adapted to the state’s unique Mediterranean climate and challenging growing conditions.

A Word About Rarity

Here’s something important to know: Plummer’s baccharis has a Global Conservation Status of S3T3, which indicates this plant faces some conservation concerns. While this shouldn’t scare you away from growing it, it does mean you should source your plants responsibly from reputable native plant nurseries rather than collecting from wild populations.

Why Your Garden Will Love It

If you’re tired of babying high-maintenance plants, Plummer’s baccharis might just become your new best friend. Here’s why this little shrub deserves a spot in your landscape:

  • Drought-tolerant once established – perfect for water-wise gardening
  • Low-maintenance growth habit that won’t overwhelm your space
  • Supports local pollinators with its small but important flowers
  • Excellent for native plant gardens and naturalized landscapes
  • Ideal as ground cover or low border plantings

Growing Conditions and Care

Plummer’s baccharis thrives in conditions that might challenge other plants. It prefers full sun and well-draining soil – think of recreating the natural chaparral and sage scrub habitats where it originally evolved.

This plant is likely suited for USDA hardiness zones 9-10, matching Southern California’s climate where it naturally occurs. Once established, it’s remarkably drought-tolerant, making it perfect for xeriscaping and low-water gardens.

Planting and Care Tips

Getting started with Plummer’s baccharis is straightforward:

  • Plant in well-draining soil – avoid areas where water pools
  • Choose a sunny location for best growth and flowering
  • Water regularly during the first growing season to establish roots
  • Once established, reduce watering significantly – this plant prefers to stay on the dry side
  • Light pruning after flowering can help maintain shape
  • Minimal fertilization needed – these plants adapted to lean soils

Garden Design Ideas

With its compact size and undemanding nature, Plummer’s baccharis works beautifully in several landscape scenarios. Use it as a low border along pathways, mix it into native plant gardens for textural interest, or plant it in groups for effective ground cover in challenging spots where other plants might struggle.

It pairs wonderfully with other California natives and drought-tolerant plants, creating cohesive, sustainable landscape designs that celebrate regional flora while requiring minimal resources.

Supporting Conservation Through Gardening

By choosing to grow Plummer’s baccharis, you’re doing more than just adding a plant to your garden – you’re supporting the conservation of a species with limited natural range. Just remember to purchase from reputable nurseries that propagate plants rather than wild-collect them.

This little shrub proves that sometimes the most rewarding plants are the ones that ask for very little while giving back so much to local ecosystems. In our increasingly water-conscious world, plants like Plummer’s baccharis show us how beautiful and functional sustainable gardening can be.

Plummer’s Baccharis

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

Baccharis L. - baccharis

Species

Baccharis plummerae A. Gray - Plummer's baccharis

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