frostwort

Noun frostwort has 1 sense

• frostwort(n = noun.plant) crocanthemum canadense, frost-weed, frostweed, helianthemum canadense - perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts;
is a kind of helianthemum, sun rose, sunrose