Native Plants

Spoon Primrose-willow

Ludwigia spathulata

USDA symbol: LUSP5

perennial forb

Lower 48 states: native

Meet the spoon primrose-willow (Ludwigia spathulata), a charming little wetland plant that’s as rare as it is specialized. This diminutive perennial forb might not be the showiest plant in the garden center – mainly because you won’t find it there – but it plays a crucial role in southeastern wetland ...

Spoon Primrose-willow may be listed as rare in your area.
Global Conservation Status

Status: S2 | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Alabama

Status: S1S2 | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Spoon Primrose-Willow: A Rare Wetland Gem for Conservation-Minded Gardeners

Meet the spoon primrose-willow (Ludwigia spathulata), a charming little wetland plant that’s as rare as it is specialized. This diminutive perennial forb might not be the showiest plant in the garden center – mainly because you won’t find it there – but it plays a crucial role in southeastern wetland ecosystems and deserves our attention and protection.

What Makes This Plant Special?

The spoon primrose-willow gets its common name from its distinctive spoon-shaped leaves that set it apart from other members of the evening primrose family. This native perennial produces small, cheerful yellow flowers and forms low-growing mats in its preferred wetland habitats. As a forb, it’s an herbaceous plant without woody stems, dying back to ground level each winter before emerging again in spring.

Where Does It Call Home?

This southeastern native has a limited range, naturally occurring only in Alabama, Florida, Georgia, and South Carolina. It’s particularly associated with the coastal plain regions where specialized wetland conditions provide the perfect environment for its survival.

  • Species observed
  • No observations

A Plant in Need of Protection

Here’s the important part: Spoon primrose-willow is considered imperiled, with a global conservation status of S2. This means it’s extremely rare, with typically only 6 to 20 known occurrences remaining. In Alabama, it’s ranked even higher on the rarity scale at S1S2. This isn’t a plant to collect from the wild or purchase from questionable sources.

Why Gardeners Should Care (But Proceed Carefully)

If you’re passionate about wetland restoration or native plant conservation, spoon primrose-willow could be a meaningful addition to your specialized garden – but only with responsibly sourced material. Here’s what it offers:

  • Authentic representation of rare southeastern wetland flora
  • Support for small pollinators and beneficial insects
  • Contribution to biodiversity in restored wetland areas
  • Educational value for conservation-minded gardeners

Growing Conditions: It’s All About the Water

Spoon primrose-willow is what botanists call an obligate wetland species, meaning it almost always occurs in wetlands. If you’re considering growing this rare beauty, you’ll need to replicate these specific conditions:

  • Moisture: Consistently wet to saturated soils year-round
  • Light: Full sun to partial shade
  • Soil: Hydric soils typical of wetland environments
  • Climate: USDA Zones 8-10, matching its southeastern coastal range

Perfect Garden Settings

This isn’t a plant for your average flower border. Spoon primrose-willow thrives in:

  • Constructed wetlands and bioswales
  • Pond margins and bog gardens
  • Rain gardens with permanent water features
  • Wetland restoration projects
  • Native plant preserves and conservation areas

The Responsible Approach

Given its imperiled status, growing spoon primrose-willow comes with serious responsibilities. If you’re interested in this plant:

  • Only obtain plants from reputable native plant nurseries that propagate from legally collected seeds
  • Never collect from wild populations
  • Consider supporting wetland restoration organizations instead
  • Focus on protecting existing wetland habitats where this species naturally occurs

A Plant Worth Protecting

Spoon primrose-willow may be small and specialized, but its rarity makes it incredibly valuable for conservation. While most gardeners won’t have the specific wetland conditions this plant requires, those involved in professional restoration work or serious wetland gardening can help ensure this species doesn’t disappear from our landscapes.

Remember, sometimes the best way to appreciate a rare plant is to protect its wild habitat rather than trying to grow it ourselves. If spoon primrose-willow has captured your interest, consider supporting wetland conservation efforts in the southeastern states where this little treasure still clings to existence.

Ludwigia spathulata 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 spathulata is also known as:

Isnardia spathulata | USDA symbol: ISSP

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.

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 spathulata Torr. & A. Gray - spoon 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