Non-native Plants

Waxy Bedstraw

Galium glaucum

USDA symbol: GAGL3

perennial forb

Canada: non-native, naturalized
Lower 48 states: non-native, naturalized

If you’re looking for a low-growing plant with tiny white flowers and an old-world charm, waxy bedstraw (Galium glaucum) might catch your eye. This delicate perennial has made its way from European gardens to scattered locations across North America, bringing with it a subtle beauty that’s both understated and enduring. ...

Waxy Bedstraw: A Delicate European Groundcover for North American Gardens

If you’re looking for a low-growing plant with tiny white flowers and an old-world charm, waxy bedstraw (Galium glaucum) might catch your eye. This delicate perennial has made its way from European gardens to scattered locations across North America, bringing with it a subtle beauty that’s both understated and enduring.

What Exactly is Waxy Bedstraw?

Waxy bedstraw is a perennial forb—essentially a non-woody plant that comes back year after year. You might also see it listed under its scientific synonyms Asperula galioides or Asperula glauca in older gardening references. This low-growing plant produces small clusters of white flowers and has narrow leaves arranged in distinctive whorls around square stems, which is characteristic of the bedstraw family.

Where Does It Grow?

Originally native to Europe and western Asia, waxy bedstraw is considered non-native in North America. It has naturalized in several locations, including parts of Ontario and Quebec in Canada, as well as Connecticut and New Jersey in the United States. The plant reproduces on its own in these areas and has established persistent populations.

  • Species observed
  • No observations

Why Consider (or Not Consider) Waxy Bedstraw?

Waxy bedstraw offers several appealing qualities for gardeners:

  • Low-maintenance groundcover that thrives in well-drained soils
  • Drought tolerant once established
  • Delicate white flowers provide subtle seasonal interest
  • Hardy in USDA zones 4-8
  • Works well in rock gardens and naturalized areas

However, since it’s non-native, you might want to consider native alternatives that provide similar benefits while supporting local ecosystems. Native bedstraws like northern bedstraw (Galium boreale) or fragrant bedstraw (Galium triflorum) offer comparable groundcover qualities with the added bonus of supporting native pollinators and wildlife.

Growing Waxy Bedstraw Successfully

If you decide to grow waxy bedstraw, you’ll find it’s refreshingly easy to care for:

  • Light: Full sun to partial shade
  • Soil: Well-drained soils; avoid waterlogged conditions
  • Water: Drought tolerant once established, but appreciates occasional watering during dry spells
  • Maintenance: Very low maintenance once established

Planting and Care Tips

Waxy bedstraw is wonderfully low-fuss. Plant it in spring after the last frost, giving it space to spread naturally. The plant self-seeds readily and can also spread through underground stems, so keep this in mind when choosing its location. It’s perfect for rock gardens, Mediterranean-style landscapes, or naturalized areas where you want something delicate but self-sufficient.

Since it’s drought tolerant, avoid overwatering—this plant actually prefers to dry out between waterings. Very little pruning or fertilizing is needed, making it ideal for gardeners who prefer a hands-off approach.

The Bottom Line

Waxy bedstraw is an attractive, low-maintenance option for gardeners seeking a delicate groundcover. While it brings European charm to North American gardens, consider exploring native alternatives that offer similar aesthetic appeal while better supporting local wildlife and ecosystems. Whatever you choose, you’ll appreciate having a reliable, drought-tolerant plant that asks for very little but gives quiet beauty in return.

Galium glaucum is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Galium glaucum is also known as:

Asperula galioides | USDA symbol: ASGA5
Asperula glauca | USDA symbol: ASGL

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Rubiales
Family: Rubiaceae Juss. - Madder family
Genus: Galium L. - bedstraw

Species: Galium glaucum L. - waxy bedstraw

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