Columbus grass (Sorghum x almun)
Description: A hybrid of sorghum that grows 3'-8' in height.
Life Cycle: Perennial grass
Habitat: Fields, ditches, canals and roadsides
Leaves: Flat with sandpaper feel. Blades are 0.5-1.5 in. wide by 18-32 in. long. Distinct white leaf vein.
Stem: Upright
Flower: Flowering branches, 6-24 in. long.
Fruit: Seeds 0.25-0.4 in. long and smooth. Mature from green to red. Borne on flowering branches.
Root: Numerous short, thick rhizomes.
The problem is…Columbus grass can aggressively compete with crops