North America Native Plant

Roundleaf Bluet

Botanical name: Houstonia procumbens

USDA symbol: HOPR

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Hedyotis procumbens (Walter ex J.F. Gmel.) Fosberg (HEPR7)  âš˜  Hedyotis procumbens (Walter ex J.F. Gmel.) Fosberg var. hirsuta W.H. Lewis (HEPRH2)  âš˜  Houstonia rotundifolia Michx. (HORO2)   

Roundleaf Bluet: A Charming Native Ground Cover for Southern Gardens If you’re looking for a delicate, low-maintenance ground cover that supports local wildlife, meet the roundleaf bluet (Houstonia procumbens). This petite native perennial might be small in stature, but it packs a big punch when it comes to charm and ...

Roundleaf Bluet: A Charming Native Ground Cover for Southern Gardens

If you’re looking for a delicate, low-maintenance ground cover that supports local wildlife, meet the roundleaf bluet (Houstonia procumbens). This petite native perennial might be small in stature, but it packs a big punch when it comes to charm and ecological value in southeastern gardens.

What is Roundleaf Bluet?

Roundleaf bluet is a native perennial forb that creates beautiful carpets of tiny, four-petaled flowers. Unlike its woody cousins, this herbaceous plant stays close to the ground, spreading in a prostrate pattern that makes it perfect for filling spaces between larger plants or creating living mulch in natural areas.

You might also encounter this plant listed under its botanical synonyms, including Hedyotis procumbens, but rest assured – they’re all referring to the same delightful little ground hugger.

Where Does Roundleaf Bluet Call Home?

This southeastern native makes its home across six states in the lower 48: Alabama, Florida, Georgia, Louisiana, Mississippi, and South Carolina. It’s perfectly adapted to the Gulf Coast and Atlantic coastal plain environments, thriving in the sandy soils and variable moisture conditions found throughout this region.

Why Plant Roundleaf Bluet in Your Garden?

There are several compelling reasons to welcome this native beauty into your landscape:

  • Native Plant Benefits: As a true native, it supports local ecosystems and requires fewer resources than non-native alternatives
  • Pollinator Magnet: The tiny flowers attract native bees, small butterflies, and other beneficial insects
  • Low Maintenance: Once established, it’s remarkably drought tolerant and requires minimal care
  • Natural Beauty: Creates delicate carpets of white to pale blue flowers with sunny yellow centers
  • Space Filler: Perfect for filling gaps in rock gardens, native plant borders, or naturalized areas

Garden Design Ideas

Roundleaf bluet shines in several garden settings:

  • Native Plant Gardens: Pairs beautifully with other southeastern natives
  • Rock Gardens: Its low, spreading habit makes it ideal for cascading over stones
  • Woodland Edges: Creates natural transitions between lawn and wilder areas
  • Ground Cover: Provides living mulch that suppresses weeds naturally

Growing Conditions and Care

The beauty of roundleaf bluet lies in its adaptability and low-maintenance nature:

  • Hardiness: Thrives in USDA zones 8-10
  • Soil: Prefers well-draining, sandy soils but adapts to various soil types
  • Light: Grows well in partial shade to full sun
  • Water: Drought tolerant once established, though appreciates occasional watering during extreme dry spells
  • Maintenance: Minimal care required – just let it do its thing!

Planting and Care Tips

Getting roundleaf bluet established in your garden is refreshingly straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Choose a location with good drainage – soggy soil is this plant’s main enemy
  • Once planted, avoid disturbing the root system as it prefers to be left alone
  • Water gently during the first growing season to help establishment
  • After establishment, step back and enjoy – this plant largely takes care of itself

Is Roundleaf Bluet Right for Your Garden?

If you live in the southeastern United States and want to support native wildlife while adding delicate beauty to your landscape, roundleaf bluet is an excellent choice. Its undemanding nature makes it perfect for gardeners who prefer low-maintenance plants, while its native status ensures you’re contributing to local ecosystem health.

However, if you’re looking for a showstopper with bold, dramatic flowers, you might want to pair this subtle beauty with more eye-catching natives. Think of roundleaf bluet as the supporting actor that makes the stars shine even brighter – essential for the overall performance, even if it doesn’t steal the spotlight.

For southeastern gardeners seeking authentic native ground cover that supports local wildlife and requires minimal fuss, roundleaf bluet deserves a spot in your garden. Sometimes the smallest plants make the biggest difference in creating thriving, sustainable landscapes.

Roundleaf Bluet

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

Houstonia L. - bluet

Species

Houstonia procumbens (Walter ex J.F. Gmel.) Standl. - roundleaf bluet

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