Skip to main content

Peruvian Primrose-willow

Ludwigia peruviana

Last reviewed: August 2026

Peruvian Primrose-willow (Ludwigia peruviana)
Photo: Forest & Kim Starr / Wikimedia Commons (CC BY 3.0)

Toxicity unknown

Peruvian Primrose-willow (Ludwigia peruviana) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

24"–72" H × 12"–36" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep

Pollinators

bees, butterflies

Native alternatives to Peruvian Primrose-willow

Peruvian Primrose-willow is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Peruvian primrose-willow is a wetland perennial that produces bright yellow flowers from spring through fall. This fast-growing plant thrives in consistently moist to wet conditions and can reach up to 6 feet tall in ideal conditions.

In an HOA neighborhood

Peruvian Primrose-willow takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Aggressive spreader that can become invasive
  • Requires consistently wet conditions that may appear unkempt
  • Can grow very tall and look wild or unmanaged

Wildlife value

The long blooming season provides nectar for bees and butterflies from March through September. Its wetland habitat also supports various water-loving insects and small wildlife.

Common questions

How much sun does Peruvian Primrose-willow need?
Peruvian Primrose-willow grows best in full sun conditions.
When does Peruvian Primrose-willow bloom?
Peruvian Primrose-willow blooms in March, April, May, June, July, August, and September.
What pollinators does Peruvian Primrose-willow attract?
Peruvian Primrose-willow draws bees and butterflies.
Is Peruvian Primrose-willow HOA-friendly?
Peruvian Primrose-willow takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Peruvian Primrose-willow? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz