North America Native Plant

Cylindricfruit Primrose-willow

Botanical name: Ludwigia glandulosa glandulosa

USDA symbol: LUGLG2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Ludwigia glandulosa Walter var. torreyi Munz (LUGLT)  âš˜  Ludwigia glandulosa Walter var. typica Munz (LUGLT2)   

Cylindricfruit Primrose-Willow: A Native Wetland Wonder for Your Garden If you’re looking to add a splash of sunny yellow to your garden while supporting local wildlife, meet the cylindricfruit primrose-willow (Ludwigia glandulosa glandulosa). This cheerful native perennial might not have the flashiest name, but it’s a true gem for gardeners ...

Cylindricfruit Primrose-Willow: A Native Wetland Wonder for Your Garden

If you’re looking to add a splash of sunny yellow to your garden while supporting local wildlife, meet the cylindricfruit primrose-willow (Ludwigia glandulosa glandulosa). This cheerful native perennial might not have the flashiest name, but it’s a true gem for gardeners who want to create beautiful, eco-friendly landscapes that work with nature rather than against it.

What Makes This Plant Special?

The cylindricfruit primrose-willow is a native forb – basically a soft-stemmed perennial that stays low to the ground and comes back year after year. What sets it apart from other garden plants is its distinctive cylindrical seed pods (hence the name!) and its remarkable ability to thrive in wet conditions where many other plants would throw in the towel.

This hardy native calls a good chunk of the United States home, naturally occurring across the Southeast, South-Central, and parts of the Midwest. You’ll find it growing wild in Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Virginia.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where this little plant really shines. The cylindricfruit primrose-willow produces delicate yellow flowers that are absolute magnets for small bees and flies. While the blooms might be modest in size, they’re big on charm and even bigger on ecological benefits. By planting this native beauty, you’re essentially rolling out the welcome mat for local pollinators.

Beyond its pollinator appeal, this plant is a champion of low-maintenance gardening. Once established, it pretty much takes care of itself, spreading naturally in conditions it enjoys and forming attractive colonies over time.

Where Does It Fit in Your Garden?

The cylindricfruit primrose-willow is your go-to plant for those tricky wet spots in your yard. You know, those areas where other plants seem to struggle or where water tends to collect after heavy rains. This adaptable native thrives in:

  • Rain gardens and bioswales
  • Native plant gardens focused on local species
  • Wetland restoration projects
  • Naturalized landscape areas
  • Pond or stream margins

Growing Conditions and Care

One of the best things about native plants is how well-adapted they are to local conditions, and the cylindricfruit primrose-willow is no exception. This resilient perennial is hardy in USDA zones 6 through 10, making it suitable for a wide range of climates.

For optimal growth, provide:

  • Moisture: Consistently moist to wet soils – this plant actually loves what kills many others
  • Light: Full sun to partial shade (it’s pretty flexible here)
  • Soil: Tolerates a variety of soil types, as long as they stay moist
  • Space: Room to spread naturally, as it can form attractive colonies

Planting and Long-Term Care

The beauty of working with native plants like the cylindricfruit primrose-willow lies in their self-sufficiency. Once you get them established in the right conditions, they’re remarkably low-maintenance.

When planting, choose a location that stays consistently moist or even experiences seasonal flooding – conditions that would stress many garden plants but make this native happy. After establishment, you can pretty much sit back and enjoy the show. The plant will spread naturally in suitable conditions, creating beautiful naturalized colonies without any fuss from you.

Is This Plant Right for Your Garden?

The cylindricfruit primrose-willow is perfect for gardeners who:

  • Want to support local ecosystems and native wildlife
  • Have wet or consistently moist areas in their landscape
  • Prefer low-maintenance, self-sustaining garden plants
  • Are interested in wetland restoration or rain garden projects
  • Appreciate subtle, natural beauty over flashy ornamentals

However, it might not be the best choice if you’re looking for a formal garden specimen or if your landscape tends toward the dry side. This plant really shines in naturalized, moisture-rich settings rather than manicured flower beds.

The Bottom Line

The cylindricfruit primrose-willow proves that native plants can be both beautiful and beneficial. While it may not win any awards for showiness, it more than makes up for it with its ecological value, adaptability, and remarkably easy-going nature. For gardeners looking to create landscapes that support local wildlife while requiring minimal input, this native perennial is definitely worth considering.

By choosing plants like the cylindricfruit primrose-willow, you’re not just creating a beautiful garden – you’re participating in the important work of preserving and supporting native ecosystems, one plant at a time.

Cylindricfruit Primrose-willow

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Ludwigia L. - primrose-willow

Species

Ludwigia glandulosa Walter - cylindricfruit primrose-willow

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