Pacific Water-parsley (Oenanthe Sarmentosa) is a biennial to perennial herb in the Apiaceae family with moderate care difficulty. It requires very high watering and partial shade or full sun light in USDA hardiness zones 6-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Oenanthe sarmentosa is a species of flowering plant in the carrot family known as water parsley, native to western North America.