Definitions
There is 1 meaning of the phrase
Crocanthemum Canadense.
Crocanthemum Canadense - as a noun
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
Synonyms (Exact Relations)
frost-weedfrostweedfrostworthelianthemum canadense