Whim (h)wim/ noun. Definition: a sudden desire or change of mind, especially one that is unusual or unexplained such as "she bought it on a whim." Synonyms: impulse, urge, notion, fancy, whimsy, ...
Verbena is an extremely floriferous and attractive group of herbaceous perennials. Many of us could not be without verbena, not least for their propensity to play pied piper to millions of butterflies ...