Evening Primrose (Oenothera biennis) is a biennial plant best known for its bright yellow flowers that ... Sometimes plants grow too big or spread too much. Don’t worry! Just divide the roots ...

and the other is called evening primrose (Oenothera spp.). Did you know that primroses are one of the birth flowers for February? More than 400 species of primroses exist, appearing in many colors ...

“The recovery of the evening primrose shows that if we care about species and protect their habitats, we can save them,” said Anderson. “The Endangered Species Act is a powerful weapon against the ...