Which type of grass is known as a summer annual?

Foxtail is classified as a summer annual grass, which means it completes its life cycle within one growing season and typically germinates in the spring, grows rapidly during the summer months, and dies off with the onset of cooler temperatures in the fall. This trait allows foxtail to effectively exploit warm temperatures and ample sunlight during the summer period, leading to its widespread presence in various regions, particularly in disturbed areas and agricultural settings.

In contrast, common reed, Johnsongrass, and creeping perennials do not fall under the category of summer annuals. Common reed is a perennial grass that can grow year-round in suitable climates. Johnsongrass, also a perennial, tends to overwinter in its vegetative form, producing new growth in warmer months. Creeping perennials, like certain types of turf grasses, also live for multiple growing seasons. Understanding these distinctions is crucial in weed management strategies, as it helps identify the best timing and method for control measures.