Ambrosia trifidaSpecies

Ambrosia trifida — (c) thaven, some rights reserved (CC BY-NC)

Common Name(s)

blood ragweed
perennial ragweed
horseweed
giant ragweed
tall ragweed
great ragweed
Texan great ragweed

Propagation Procedures

90-day Cold, moist stratification[955]

Regions

Aug 06 - Oct 14

Aug 20 - Oct 14

Scott County, Minnesota

Aug 13 - Oct 14

Ramsey County, Minnesota

Aug 06 - Sep 30

Hennepin County, Minnesota

Jul 30 - Oct 07

Dakota County, Minnesota

Jul 30 - Nov 18

Synonyms

Ambrosia aptera
Ambrosia trifida var. trifida
Ambrosia trifida var. texana
Ambrosia trifida var. integrifolia
Ambrosia trifida var. aptera

External Resources