Is creeping St John’s wort an annual or perennial?
Creeping St. John ’s wort , also know as Hypericum calycinum , is a delightful recurrent plant that can add smasher and spell to any garden or landscape . As its name hint , this plant has a low - growing , mat - forming use , which means it spreads horizontally rather than grow upward like a traditional bush or tree . This open go on through the use of numerous rooting base , which allow the plant to instal itself and produce a impenetrable rug - like appearance ....