Ragweed has a bad reputation with just about everyone.
Non-farm city folks hate it because it is the source of "hay fever", those
irritating pollen grains floating in the air. Farmers hate it because it is such a nasty
weed.
There are two major weedy pests in this species-group. Lets take a look at this monster.
The seedlings are distinctive, and unlike many other seedlings, easier to identify because
of their leaf shape (lobed):
Common ragweed seedlings:
Giant ragweed seedlings:
Common ragweed leaf shape, stems and vegetative parts:
Common ragweed stems:
Giant ragweed leaf shape, stems and vegetative parts::
Common ragweed seedheads and flowers: (my nose is getting itchy):
Giant ragweed seedheads and flowers::
Can you pick out the ragweed seedling in this picture? Which species is it?
