Native Plants

Carolina Primrose-willow

Ludwigia bonariensis

USDA symbol: LUBO

perennial forb

Lower 48 states: native

If you’ve got a soggy spot in your yard that makes you scratch your head wondering what to plant there, meet your new best friend: Carolina primrose-willow (Ludwigia bonariensis). This charming native perennial absolutely loves having wet feet and will reward you with cheerful yellow blooms from summer through fall. ...

Carolina Primrose-Willow: A Native Gem for Wet Spots in Your Garden

If you’ve got a soggy spot in your yard that makes you scratch your head wondering what to plant there, meet your new best friend: Carolina primrose-willow (Ludwigia bonariensis). This charming native perennial absolutely loves having wet feet and will reward you with cheerful yellow blooms from summer through fall.

What Exactly Is Carolina Primrose-Willow?

Carolina primrose-willow is a native perennial forb that belongs to the evening primrose family. Don’t let the fancy botanical name fool you – this is a down-to-earth plant that’s been quietly doing its thing in wetlands across the Southeast for ages. You might also see it listed under its old scientific name, Jussiaea neglecta, but don’t worry – it’s the same plant with a new name tag.

As a forb, this plant stays herbaceous (no woody stems here!) and sends up fresh growth each year from its root system. Think of it as nature’s way of creating a reliable, low-maintenance addition to your wet garden areas.

Where Does It Call Home?

This southeastern native has made itself comfortable across four states: Alabama, Florida, North Carolina, and South Carolina. It’s perfectly adapted to the climate and growing conditions of this region, which means less fussing for you once it’s established.

  • Species observed
  • No observations

Why Your Garden (and Local Wildlife) Will Love It

Carolina primrose-willow brings several benefits to your landscape:

  • Native pollinator magnet: Those bright yellow, four-petaled flowers are like tiny beacons for native bees, butterflies, and other beneficial insects
  • Wetland warrior: Officially classified as an obligate wetland plant, meaning it’s a natural choice for rain gardens, pond edges, and those perpetually damp areas
  • Low-maintenance charm: Once established, it pretty much takes care of itself
  • Extended bloom time: Flowers from summer through fall, giving your garden consistent color when many other plants are calling it quits

Perfect Garden Spots for Carolina Primrose-Willow

This plant is tailor-made for specific garden situations:

  • Rain gardens: Excellent for managing stormwater runoff
  • Pond or water feature margins: Creates a natural transition from water to land
  • Native plant gardens: Adds authentic regional character
  • Wildlife gardens: Supports local ecosystem health
  • Wetland restoration projects: Helps recreate natural wetland communities

Growing Conditions That Make It Happy

Carolina primrose-willow isn’t picky, but it does have some non-negotiable preferences:

  • Sunlight: Full sun to partial shade (at least 4-6 hours of direct sun)
  • Soil moisture: Consistently moist to wet – this plant can even handle standing water
  • Soil type: Adaptable to various soil types as long as moisture needs are met
  • Climate: Thrives in USDA hardiness zones 8-10

Planting and Care Made Simple

Getting Carolina primrose-willow established is refreshingly straightforward:

Planting: Spring is your best bet for planting. Choose a location that stays consistently moist or can be easily watered. Space plants about 12-18 inches apart if you’re creating a grouping.

Watering: This is where Carolina primrose-willow shines – you can’t really overwater it! Keep the soil consistently moist to wet, especially during the first growing season.

Maintenance: Minimal fuss required. You can deadhead spent flowers if you want to keep things tidy, or leave them for wildlife to enjoy the seeds. The plant may self-seed in ideal conditions, which is usually a welcome bonus in naturalized settings.

Winter care: As a perennial, it will die back in winter and return the following spring. Simply cut back dead foliage in late winter or early spring.

Is Carolina Primrose-Willow Right for Your Garden?

This native beauty is perfect if you:

  • Have consistently moist or wet areas in your landscape
  • Want to support local wildlife and pollinators
  • Prefer low-maintenance plants
  • Are creating rain gardens or wetland areas
  • Live in the southeastern United States (zones 8-10)

However, it might not be the best choice if you have dry, well-drained garden areas or live outside its natural hardiness range.

The Bottom Line

Carolina primrose-willow proves that native plants don’t have to be boring or difficult. This cheerful wetland specialist offers reliable blooms, supports local wildlife, and actually thrives in those challenging wet spots that stump many gardeners. If you’re looking to add some authentic southeastern charm to your landscape while supporting your local ecosystem, this little yellow-flowered gem deserves a spot in your garden.

Ludwigia bonariensis 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. Ludwigia bonariensis is also known as:

Jussiaea neglecta | USDA symbol: JUNE4

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.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Obligate Wetland

Eastern Mountains and Piedmont (AL, AR, DC, DE, GA, IL, IN, KS, KY, MD, MO, NC, NJ, NY, OH, OK, PA, SC, TN, VA, WV)

Obligate Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Myrtales
Family: Onagraceae Juss. - Evening Primrose family
Genus: Ludwigia L. - primrose-willow

Species: Ludwigia bonariensis (Micheli) H. Hara - Carolina 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