If you go for the former, try planting something like Sarah Raven's Delphinium Collection. If you want annual delphiniums ...

Perennials are an essential part of landscapes, and understanding the life cycle of these plants is key to creating beautiful ...

Diffuse knapweed (Centaurea diffusa) is an annual, biennial, or short-lived perennial forb native to southeast Europe and ...

The plant, instead, starts blooming after almost two growing seasons, which makes it a biennial or a short-lived perennial. Hence, there is no need to get disheartened after just one year of ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

Examples of short-lived semelparous species include annual and biennial plants (including all grain crops, and many herbaceous vegetables), and certain invertebrate species, including many spiders ...