Ludwigia is an ornamental plant native to South America and has spread in the United States through gardens and plant retailers. The several species of Ludwigia have been of local concern recently. Water primrose (L. Hexapetala) infestations are known throughout the Willamette Valley, and closest to home, in the West Linn area. Its floating relative,
Providing Local Solutions to Local Problems
Your Conservation District is here to help conserve, protect, and enhance the natural resources in the Tualatin River Watershed in many ways. Our goal is a clean and healthy watershed that supports all beneficial uses for people, fish, and wildlife; a vibrant economy; and livable communities.