North America Non-native Plant

Low Baby’s-breath

Botanical name: Gypsophila muralis

USDA symbol: GYMU

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Psammophiliella muralis (L.) Ikonn. (PSMU)   

Low Baby’s-Breath: A Delicate Annual for Rock Gardens and Beyond If you’re looking for a plant that adds an ethereal, cloud-like quality to your garden without much fuss, low baby’s-breath might just catch your eye. This petite annual, scientifically known as Gypsophila muralis, brings a touch of European charm to ...

Low Baby’s-Breath: A Delicate Annual for Rock Gardens and Beyond

If you’re looking for a plant that adds an ethereal, cloud-like quality to your garden without much fuss, low baby’s-breath might just catch your eye. This petite annual, scientifically known as Gypsophila muralis, brings a touch of European charm to North American gardens with its delicate flowers and easy-going nature.

What is Low Baby’s-Breath?

Low baby’s-breath is a small annual forb – that’s garden-speak for a non-woody plant that completes its life cycle in one growing season. Don’t let its delicate appearance fool you; this little plant is tougher than it looks and has made itself quite at home across much of North America since its introduction from Europe and Asia.

You might occasionally see it listed under its synonym Psammophiliella muralis, but most gardeners know it simply as low baby’s-breath or by its botanical name.

Where Does It Grow?

This adaptable little plant has spread across a impressive range of states and provinces, thriving everywhere from the Maritime provinces of Canada down to Tennessee. You’ll find it growing in New Brunswick, Ontario, Quebec, and throughout much of the northeastern and midwestern United States, including Connecticut, Maine, Massachusetts, Michigan, Minnesota, New York, Ohio, Pennsylvania, and many others.

What Does It Look Like?

Low baby’s-breath creates a delicate, almost fairy-like presence in the garden. The plant produces:

  • Tiny white or pale pink flowers arranged in loose, airy clusters
  • Fine, narrow leaves that give the plant a wispy appearance
  • A low-growing, spreading habit that works beautifully as ground cover
  • An overall cloud-like texture that softens harsh edges in garden design

Garden Role and Design Uses

This charming annual shines in several garden situations:

  • Rock gardens, where it can nestle between stones
  • Border edges, providing a soft transition
  • Cottage garden settings for that romantic, informal look
  • Sandy or gravelly areas where other plants might struggle
  • As a filler plant to bridge gaps between larger specimens

Growing Conditions and Care

One of low baby’s-breath’s best qualities is its undemanding nature. Here’s what it prefers:

  • Sunlight: Full sun for best flowering
  • Soil: Well-drained, sandy, or gravelly soils – it actually prefers poor soils over rich ones
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Hardy as an annual in USDA zones 3-9

Planting and Maintenance Tips

Growing low baby’s-breath is refreshingly simple:

  • Direct seed in spring after the last frost date
  • Scatter seeds lightly over prepared soil – they need light to germinate
  • Keep soil slightly moist until germination occurs
  • Once established, minimal watering needed
  • No fertilizing required – too much nutrition can reduce flowering
  • Allow some plants to go to seed if you want them to return next year

Benefits to Pollinators and Wildlife

While small, the flowers of low baby’s-breath do attract beneficial insects, including small bees and other pollinators. The plant provides nectar sources during its blooming period, contributing to the overall health of your garden’s ecosystem.

Should You Grow It?

Low baby’s-breath can be a lovely addition to the right garden situation, especially if you’re looking for something low-maintenance for rocky or sandy areas. However, since it’s not native to North America and does self-seed readily, you might want to consider some native alternatives that provide similar aesthetic appeal:

  • Wild bergamot (Monarda fistulosa) for airy texture
  • White prairie aster (Symphyotrichum ericoides) for similar small white flowers
  • Small-flowered alumroot (Heuchera micrantha) for delicate flower sprays

If you do choose to grow low baby’s-breath, enjoy its delicate beauty while being mindful of its self-seeding tendencies. Deadhead spent flowers if you want to prevent unwanted spread, or let a few go to seed if you’d like more plants next year. Either way, this little European immigrant can add a touch of ethereal charm to your garden with minimal effort on your part.

Low Baby’s-breath

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Gypsophila L. - baby's-breath

Species

Gypsophila muralis L. - low baby's-breath

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