North America Native Plant

Roundfruit Hedgehyssop

Botanical name: Gratiola virginiana var. virginiana

USDA symbol: GRVIV

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gratiola sphaerocarpa Elliott (GRSP3)   

Roundfruit Hedgehyssop: A Tiny Native Gem for Wet Spots If you’ve been scratching your head wondering what to plant in that perpetually soggy corner of your yard, let me introduce you to roundfruit hedgehyssop (Gratiola virginiana var. virginiana). This unassuming little native might not win any beauty contests, but it’s ...

Roundfruit Hedgehyssop: A Tiny Native Gem for Wet Spots

If you’ve been scratching your head wondering what to plant in that perpetually soggy corner of your yard, let me introduce you to roundfruit hedgehyssop (Gratiola virginiana var. virginiana). This unassuming little native might not win any beauty contests, but it’s exactly what your wet garden spaces have been waiting for.

What Exactly Is Roundfruit Hedgehyssop?

Don’t let the tongue-twisting name fool you – roundfruit hedgehyssop is actually a charming small annual or biennial forb that’s been quietly doing its thing across much of the United States for ages. As a true native plant, it knows exactly how to thrive in American soil without any fuss or drama.

This little powerhouse belongs to the plantain family and produces delicate white tubular flowers adorned with subtle purple markings. While it may be small in stature, what it lacks in size it makes up for in reliability and ecological value.

Where Does It Call Home?

Roundfruit hedgehyssop has quite an impressive native range, making itself comfortable across 26 states from the Atlantic coast to the Great Plains. You’ll find it naturally occurring in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Oklahoma, Rhode Island, South Carolina, Tennessee, Texas, Virginia, and West Virginia.

Why Your Garden Might Love This Little Native

Here’s where roundfruit hedgehyssop really shines – it’s practically tailor-made for those challenging wet spots that leave many gardeners stumped. If you have areas that stay consistently moist or even temporarily flood, this native gem will settle right in and make itself at home.

The benefits include:

  • Perfect for rain gardens and bioswales
  • Provides ground coverage in wetland restoration projects
  • Attracts small native pollinators and beneficial insects
  • Requires minimal maintenance once established
  • Supports local ecosystems as a true native species

Growing Roundfruit Hedgehyssop Successfully

The good news? This native isn’t picky about much except moisture. Roundfruit hedgehyssop thrives in USDA hardiness zones 4 through 9, making it suitable for most temperate regions of the country.

Ideal Growing Conditions

  • Moisture: Consistently moist to wet soil – this is non-negotiable
  • Light: Full sun to partial shade (quite adaptable)
  • Soil: Tolerates various soil types as long as they stay moist
  • pH: Adaptable to different pH levels

Planting and Care Tips

Since roundfruit hedgehyssop is an annual or biennial, the easiest approach is direct seeding. Scatter seeds in fall or early spring in your chosen wet area – nature will handle most of the work from there. The key is ensuring your planting site stays consistently moist throughout the growing season.

Once established, this native requires virtually no maintenance. It will often self-seed in suitable conditions, creating naturalized colonies over time. Just make sure the soil never dries out completely, especially during establishment.

Perfect Garden Companions

Roundfruit hedgehyssop plays well with other moisture-loving natives. Consider pairing it with cardinal flower, blue flag iris, or swamp milkweed in larger installations. In smaller spaces, it works beautifully alongside native sedges and rushes.

Is This Plant Right for Your Garden?

Roundfruit hedgehyssop is ideal for gardeners who:

  • Have wet or consistently moist areas to fill
  • Want to support native ecosystems and pollinators
  • Prefer low-maintenance plants
  • Are working on rain garden or wetland restoration projects
  • Appreciate subtle, delicate flowers over flashy blooms

However, it might not be the best choice if you’re looking for a drought-tolerant plant or something with showy, long-lasting flowers for cutting gardens.

The Bottom Line

Roundfruit hedgehyssop may not be the most glamorous native plant out there, but it’s exactly the kind of reliable, hardworking species that makes native gardening so rewarding. Give this little gem a try in your wet spots – you might be surprised by how much charm it brings to areas that once seemed impossible to plant.

Roundfruit Hedgehyssop

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Gratiola L. - hedgehyssop

Species

Gratiola virginiana L. - roundfruit hedgehyssop

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