Giant Ragweed in Japan, October 1992
by kennedyh Apr 3, 2003 7:30 PM
Giant Ragweed flower spike in Japan, October 1992
by kennedyh Apr 3, 2003 7:31 PM
An attractive plant very common growing in all the ditches and in the wild areas.
by trois Sep 4, 2004 10:10 AM
Quite distinct in appearance, easy to identify and pull out before they bloom
by melody Sep 22, 2004 1:33 PM
Buds forming in September.
by htop Oct 5, 2004 12:55 PM
Closup view of buds in September.
by htop Oct 6, 2004 12:55 PM
Leaves which are quite large.
by htop Oct 5, 2004 12:55 PM
These plants are about 10 feet tall or more and form a dense thicket.
by htop Oct 6, 2004 12:55 PM
Seedling of Ambrosia trifida, Giant Ragweed, early May, west KY
by melody May 13, 2005 9:57 PM
Giant ragweed (Ambrosia trifilda)
by Equilibrium Sep 4, 2005 11:36 PM
Giant ragweed (Ambrosia trifilda)
by Equilibrium Sep 4, 2005 11:00 PM
Plants growing in shade don't get nearly as tall as those in full sun
by claypa Aug 11, 2008 5:07 AM
My 6'1" husband, next to the ragweed (both rather handsome) weeks before it reached peak height of 12'.
by HalfWild Aug 11, 2008 7:03 PM
by claypa Aug 18, 2008 11:39 AM
About 8 or 9 feet tall.
by green76thumb Oct 23, 2009 4:40 AM
Giant Ragweed can be distinguished from other Ragweeds by its palmately lobed leaves:
by plant_it Jun 4, 2013 5:45 PM
Popped up in a potted plant
by lavender4ever Aug 17, 2013 6:12 PM
A patch in a field in southeast PA in August 2015
by Rickwebb Aug 22, 2015 7:40 PM
The flowers in mid-Agust 2015 in southeast Pennsylvania
by Rickwebb Aug 22, 2015 7:40 PM
