North America Native Plant

Santa Barbara Bedstraw

Botanical name: Galium cliftonsmithii

USDA symbol: GACL2

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Galium nuttallii A. Gray var. cliftonsmithii Dempster (GANUC)   

Santa Barbara Bedstraw: A Rare California Treasure Worth Protecting Meet Santa Barbara bedstraw (Galium cliftonsmithii), one of California’s most elusive native shrubs. If you’ve never heard of this plant before, you’re not alone – this little-known member of the bedstraw family is so rare that most gardeners will never encounter ...

Rare plant alert!

Region: Conservation status by state

Status: S3: 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 ⚘

Santa Barbara Bedstraw: A Rare California Treasure Worth Protecting

Meet Santa Barbara bedstraw (Galium cliftonsmithii), one of California’s most elusive native shrubs. If you’ve never heard of this plant before, you’re not alone – this little-known member of the bedstraw family is so rare that most gardeners will never encounter it in their lifetime. But that’s exactly what makes it so fascinating and important to understand.

What Makes Santa Barbara Bedstraw Special?

Santa Barbara bedstraw is a perennial shrub that belongs to the diverse Galium genus, known for their delicate, whorled leaves and tiny flowers. Unlike many of its more common bedstraw cousins that creep along the ground, this species has evolved into a multi-stemmed woody shrub that can reach up to 13-16 feet in height under ideal conditions, though it typically stays much smaller.

This California endemic is found exclusively in the Golden State, making it a true regional treasure. Its scientific name honors botanist Clifton Smith, and it was once considered a variety of Galium nuttallii before being recognized as its own distinct species.

Why This Plant Matters (And Why You Probably Can’t Grow It)

Here’s where things get serious: Santa Barbara bedstraw has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only an estimated 21 to 100 occurrences and between 3,000 to 10,000 individual plants remaining in the wild, this species is walking a tightrope toward extinction.

What does this mean for gardeners? Simply put, this isn’t a plant you can or should casually add to your shopping list. In fact, you’re unlikely to find it available through any commercial nursery, and that’s probably for the best.

The Conservation Reality

If you’re passionate about supporting California’s native flora, the best way to help Santa Barbara bedstraw isn’t by trying to grow it in your garden. Instead, consider these alternatives:

  • Support habitat conservation: Donate to organizations working to preserve California’s remaining wild spaces
  • Choose related natives: Plant other Galium species that are more common and available from reputable nurseries
  • Spread awareness: Share information about rare plants and their conservation needs
  • Participate in citizen science: Join botanical surveys or monitoring programs if you’re in California

If You Encounter Responsibly Sourced Material

In the extremely unlikely event that you encounter Santa Barbara bedstraw through legitimate conservation programs or botanical institutions, here’s what little we know about its care:

  • As a California native shrub, it likely prefers well-draining soils
  • It probably thrives in Mediterranean climate conditions
  • Being a perennial shrub, it would establish a permanent woody structure
  • Like other bedstraws, it may benefit from some protection during establishment

However, any cultivation should only be attempted as part of official conservation efforts, with proper permits and expertise.

Better Alternatives for Your Garden

If you’re drawn to the idea of growing California bedstraws, consider these more common and available alternatives:

  • Galium aparine (Cleavers) – An annual with interesting texture
  • Galium californicum (California bedstraw) – A more widely available native option
  • Other California shrubs – Ceanothus, manzanita, or sage species that fill similar ecological niches

The Bigger Picture

Santa Barbara bedstraw serves as a reminder of how much botanical diversity California has already lost and how much more hangs in the balance. While we can’t all grow rare plants in our backyards, we can all make choices that support biodiversity and conservation.

Every time you choose a native plant over a non-native ornamental, create habitat for pollinators, or support conservation organizations, you’re helping species like Santa Barbara bedstraw survive for future generations. Sometimes the most powerful thing we can do for a plant is simply to know it exists and care about its future.

So while you probably won’t be planting Santa Barbara bedstraw anytime soon, you can still be part of its story – and the story of California’s incredible native plant heritage.

Santa Barbara Bedstraw

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

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Galium L. - bedstraw

Species

Galium cliftonsmithii (Dempster) Dempster & Stebbins - Santa Barbara bedstraw

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