North America Native Plant

Bluntleaf Bedstraw

Botanical name: Galium obtusum australe

USDA symbol: GAOBA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Bluntleaf Bedstraw: A Rare Native Gem for Georgia Gardens Meet bluntleaf bedstraw (Galium obtusum australe), a fascinating native perennial that’s about as elusive as a gardener’s perfect watering schedule. This little-known member of the bedstraw family represents one of those botanical treasures that most gardeners have never heard of—and for ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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. ⚘

Bluntleaf Bedstraw: A Rare Native Gem for Georgia Gardens

Meet bluntleaf bedstraw (Galium obtusum australe), a fascinating native perennial that’s about as elusive as a gardener’s perfect watering schedule. This little-known member of the bedstraw family represents one of those botanical treasures that most gardeners have never heard of—and for good reason.

What Is Bluntleaf Bedstraw?

Bluntleaf bedstraw is a native perennial forb, which is botanist-speak for a soft-stemmed flowering plant that comes back year after year. Unlike woody shrubs or trees, this herbaceous beauty keeps its growing points at or below ground level, making it a low-profile addition to any garden where it can thrive.

Where Does It Call Home?

This particular variety of bedstraw is native to the southeastern United States, with confirmed populations in Georgia. Its distribution appears to be quite limited, making it something of a botanical unicorn in the plant world.

The Rarity Factor: A Word of Caution

Here’s where things get interesting (and a bit concerning). Bluntleaf bedstraw carries a conservation status of S5T1T3, which indicates this plant is genuinely rare. This isn’t your run-of-the-mill native plant that you can easily find at the local nursery or ethically wild-harvest from abundant populations.

If you’re considering adding this species to your garden, please ensure any plant material comes from reputable, conservation-minded sources that propagate rather than collect from wild populations. Better yet, consider supporting local conservation efforts that work to protect rare native species like this one.

Growing Bluntleaf Bedstraw: The Challenge

Due to its rarity and limited documentation, specific growing information for bluntleaf bedstraw is scarce. Most bedstraws in the Galium genus prefer:

  • Partial shade to full sun conditions
  • Well-draining soils
  • Moderate moisture levels
  • Cool to moderate temperatures

However, without specific research on this variety’s preferences, growing it successfully would require careful observation and potentially some trial and error.

Garden Role and Landscape Use

Given the limited information available about bluntleaf bedstraw’s growth habits, appearance, and ecological role, it’s difficult to recommend specific landscape uses. Most bedstraws serve as ground covers or naturalized garden additions, but this rare variety’s exact characteristics remain somewhat mysterious.

Should You Grow It?

While the idea of growing a rare native plant might appeal to collectors and conservation-minded gardeners, bluntleaf bedstraw presents some challenges:

  • Extremely limited availability
  • Unknown specific growing requirements
  • Conservation concerns about wild populations
  • Lack of established horticultural information

Better Alternatives for Most Gardeners

If you’re interested in native bedstraws for your Georgia garden, consider these more readily available and well-documented alternatives:

  • Northern bedstraw (Galium boreale)
  • Wild licorice (Galium circaezans)
  • Fragrant bedstraw (Galium triflorum)

These cousins of bluntleaf bedstraw offer similar ecological benefits with much better documentation and availability.

The Bottom Line

Bluntleaf bedstraw represents one of those fascinating botanical mysteries that remind us how much we still don’t know about our native flora. While it’s tempting to want to grow every rare native species, sometimes the best way to appreciate these plants is to support their conservation in their natural habitats rather than attempting to cultivate them in our gardens.

If you do encounter this rare beauty in the wild, consider yourself lucky—and please observe from a respectful distance. These botanical treasures deserve our protection more than our possession.

Bluntleaf 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 obtusum Bigelow - bluntleaf bedstraw

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