Panicum virgatum 'Switch Grass'

Panicum virgatum, commonly known as switchgrass, is a native, warm-season perennial grass in the Poaceae family. It is found throughout much of North America, from Canada to Mexico, and can be found growing in a variety of habitats, including prairies, meadows, and along roadsides.

Switchgrass typically grows to a height of 3-6 feet, with a clumping habit. The leaves are flat, narrow and up to 18 inches long and 1/4 inch wide. They are typically blue-green in color, but can turn a golden-orange color in the fall. The stems are typically green, but can also have a red or purple tinge.

The inflorescence of Panicum virgatum is a panicle. A panicle is a type of inflorescence in which the flowers are arranged on branches that are themselves branched. In the case of switchgrass, the panicle is typically composed of numerous branches, which are themselves densely packed with small, inconspicuous flowers. The panicle is typically 6-18 inches long and can have a feathery, open appearance. The flowers of switchgrass are arranged in dense, elongated spikes that can be up to 8 inches long. The flowers are small, purplish-red, or tan and arranged in clusters along the spike. They bloom in late summer and fall forming an ‘airy cloud’ of seeds at the top.

Switchgrass is a hardy and adaptable plant that is easy to grow. It is tolerant of a wide range of soil conditions and does well in full sun or partial shade. It is also drought-tolerant and can be grown in a range of soil types, from clay to sand.

Switchgrass is an important forage crop for grazing animals, and it is also commonly used for soil stabilization and erosion control. It is a popular choice for biofuel production due to its high yields, ease of growth, and low input requirements. It is also a good choice for landscaping as it can be used as a specimen plant, in mass plantings, or as a naturalized area.

It's important to note that the common name Switchgrass can be used to refer to several species of the genus Panicum. Panicum virgatum is one of the most common species of the genus Panicum that is used for ornamental and ecological purposes.