They have done very well throughout Wisconsin during the 1987 and 1988 seasons because of their drought tolerance and the above average temperatures for the growing seasons. Sorghums are either annuals or perennials but all act as annuals in Wisconsin. This type grows 3.5 to 5 feet tall depending on variety and conditions. It is usually not considered for forage production because of low dry matter yield. They usually grow 8 to 13 feet tall.
Major use is for silage.
Stems and leaves are similar in size to corn. It can be harvested as pasture, green chop, hay, or silage. It can be ready for harvest about 45 days after planting. The smaller stems give it better drying characteristics than other sorghums for hay making. Hybrids are available that are slightly larger and higher yielding.