Mexican Primrose Willow
Ludwigia octovalvis
Last reviewed: June 2026
Ludwigia octovalvis is a native wetland forb found across the southeastern United States from Texas to North Carolina. This Mexican Primrose Willow blooms from June through November with bright yellow flowers.
Light
full sun
Water
medium
Size
36"–72" H × 36"–72" W
Bloom
Jun, Jul, Aug, Sep, Oct, Nov
Native to
AL, FL, GA, LA and 4 more states
Pollinators
butterflies, moths
Browse plants for this ecoregion
Mexican Primrose Willow is a tall native perennial that produces bright yellow flowers from summer through late fall. This robust plant can reach up to 6 feet in height and width, making it suitable for larger landscape areas where you want substantial coverage.
Growing Mexican Primrose Willow
Grow Mexican Primrose Willow in full sun and medium water. Mature plants reach 36 to 72 inches tall and spread 36 to 72 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Mexican Primrose Willow takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Height exceeds typical HOA-friendly range
Wildlife value
The long blooming period provides nectar for butterflies and moths from June through November. Its extended flowering season makes it particularly valuable for late-season pollinators when other food sources may be scarce.
Common questions
- Where does Ludwigia octovalvis naturally grow?
- Mexican Primrose Willow is native to the southeastern United States, naturally occurring in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, and Texas.
- When does Mexican Primrose Willow bloom?
- Ludwigia octovalvis produces flowers from June through November, providing an extended blooming period throughout the growing season.
- What pollinators visit Mexican Primrose Willow?
- This native wildflower attracts butterflies and moths, making it valuable for supporting pollinator populations in wetland habitats.
- What growing conditions does Ludwigia octovalvis prefer?
- Mexican Primrose Willow thrives in full sun to partial sun locations with medium to high moisture levels, making it well-suited for wetland edges and consistently moist soils.
- Is Mexican Primrose Willow HOA-friendly?
- Mexican 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.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Mexican Primrose Willow fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.