Old witchgrass is a clumping, summer annual grass with open, branching, flower heads.
Annual, reproducies only by seed.
It is distinguished from Fall panicum by its densely hairy leaves and leaf sheaths, its very fine, bushy panicle and its smaller seeds.
Old witchgrass can be found throughout the country, but is mostly a weed of southern Ontario. It is very common in fields, waste areas, roadsides, backyards, gardens and occasionally in lawns throughout southern Ontario and sporadically in northern and northwestern Ontario.
Thick folded leaf blades with distinct midrib. Hairy.
Stem up to 1.2m with a very hairy appearance. Seed head large, loose and finely branched.
