North America Native Plant

California Bedstraw

Botanical name: Galium californicum maritimum

USDA symbol: GACAM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

California Bedstraw: A Rare Coastal Native Worth Knowing If you’re looking to add authentic California character to your garden, California bedstraw (Galium californicum maritimum) might just be the unsung hero you never knew you needed. This humble native perennial herb represents the kind of plant that makes California’s coastal ecosystems ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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. ⚘

California Bedstraw: A Rare Coastal Native Worth Knowing

If you’re looking to add authentic California character to your garden, California bedstraw (Galium californicum maritimum) might just be the unsung hero you never knew you needed. This humble native perennial herb represents the kind of plant that makes California’s coastal ecosystems so special – and so worth protecting.

What Makes California Bedstraw Special?

California bedstraw is a true California native, found exclusively within the Golden State’s borders. As a perennial forb, it’s built to last, returning year after year without the fuss of replanting. Unlike woody shrubs or trees, this herbaceous plant keeps its growing points at or below ground level, making it a perfect low-maintenance addition to native plant gardens.

Where You’ll Find It Growing Wild

This coastal form of bedstraw calls California home, thriving in the state’s unique Mediterranean climate and coastal conditions. Its distribution is limited to California, making it a truly regional treasure that connects your garden to the local landscape.

A Word of Caution: Rarity Matters

Before you get too excited about adding California bedstraw to your garden, there’s something important to know. This plant has a Global Conservation Status of S5T3?, which indicates some level of conservation concern. While we’d love to see more native plants in gardens, responsible sourcing is crucial.

If you’re interested in growing California bedstraw, make sure to:

  • Purchase only from reputable native plant nurseries
  • Never collect from wild populations
  • Ask your nursery about the source of their plants
  • Consider supporting local conservation efforts

Garden Role and Design Potential

As a low-growing herbaceous perennial, California bedstraw works beautifully as a groundcover or filler plant in native gardens. Its modest stature makes it perfect for understory plantings, rock gardens, or naturalized areas where you want that authentic California wild look without overwhelming showier plants.

The Growing Experience

While specific growing requirements for this coastal form aren’t well-documented, bedstraws generally appreciate well-draining soil and can handle some drought once established – typical traits for California natives. Like many coastal plants, it likely prefers moderate conditions without extreme heat or cold.

Given its rarity status, if you do find responsibly sourced plants, treat them with extra care during establishment. Give them consistent moisture their first season, then gradually reduce watering as they become established.

Why Choose Native?

Growing California bedstraw connects your garden to the natural heritage of the region. Native plants like this one evolved alongside local wildlife, creating relationships that support the entire ecosystem. Even if we don’t have complete data on this plant’s specific wildlife benefits, native bedstraws typically support various insects and small creatures.

The Bottom Line

California bedstraw represents the kind of plant that makes native gardening both rewarding and meaningful. While its rarity means you’ll need to be a responsible steward, adding this true California native to your garden helps preserve a piece of the state’s natural heritage right in your backyard.

Just remember: with rare plants comes great responsibility. Source ethically, grow with care, and enjoy being part of the conservation story.

California 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 californicum Hook. & Arn. - California bedstraw

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