Biennials can drive gardeners nuts as we desperately try to fit them into the mold of more predictable perennials. We scratch our heads each spring while staring at the sad remains of last year's ...

True perennials — like trees, peonies, roses, and lilacs — live for a great many years. However, plant nurseries and online vendors often just label plants as either annuals or perennials and there ...

Sweet William (Dianthus barbatus) provides single or double blooms in many colors, including white, pink, yellow and bicolor varieties. These short-lived perennials or biennials are charming plants ...