As nouns the difference between fireweed and wireweed
is that fireweed is a perennial herbaceous plant () in the willowherb family onagraceae while wireweed is any member of the genus of knotweeds and smartweeds.
fireweed
Noun
(
en noun)
A perennial herbaceous plant () in the willowherb family Onagraceae .
Synonyms
* rosebay willowherb
wireweed
English
Noun
(-)
Any member of the genus of knotweeds and smartweeds.
Synonyms
* jointweed