Is evening primrose an annual or a perennial?
eve primula , also know as Oenothera , is a perennial plant . As a horticulture and landscaping expert , I have encountered eventide primrose in various garden and landscape , and its position as a perennial is well - constitute . However , it is worth notice that there are different metal money of evening primrose , and their specific growth habits and lifespan may alter somewhat . One popular species of evening primrose is the tufted even - primrose ( Oenothera caespitosa ) ....