Introduced for roadside erosion control, crown vetch (Coronilla varia) has become an invasive weed in Indiana. There is no appropriate time to plant it from seed. Spreading by seeds and roots, it is taking over the state's prairies and grasslands.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.