Ageratina adenophora
Crofton Weed
Introduced and now reproducing on its own in the wild.
Ageratina adenophora, commonly known as crofton weed or sticky snakeroot, is a species of flowering plant in the daisy family native to Mexico and Central America. Originally grown as an ornamental plant, it has become invasive into farmland and bushland worldwide. It is toxic to horses, who develop respiratory disease after eating it.
Read more on Wikipedia →Only 7 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Controlling Ageratina adenophora
Best reported: cut with 20% G4, 80% Biodiesel — one report from OANRP.
5.0cut20% G4, 80% BiodieselTriclopyrG4
- 5successful. Recommended method · OANRP · observed · 2015-03-04
cut stems above aerial root. may need to treat cut stalks if laid on ground to prevent resprouts.
5.0basal-bark20% G4, 80% BiodieselTriclopyrG4
- 5successful. Recommended method · OANRP · observed · 2015-03-04
Ratings are the reporting organisation’s own, on a 5-point scale. Always follow the product label — the label is the law. See these 2 rows in the full table
