Which grassy weed is characterized by finger-like spikes and is easy to control?

The characteristic that makes the grassy weed in question easy to control is the specific attributes of Crabgrass. This annual weed typically germinates in the warmer months and can be effectively managed through cultural practices and targeted herbicide applications.

Crabgrass is identified by its distinct growth habit and seed formation, including finger-like spikes when the plant matures and sets seed. Understanding its life cycle is also crucial; since it is an annual, it will only persist in the environment for one growing season if managed correctly. Early intervention, such as pre-emergent herbicide treatment before the seeds germinate in spring, can significantly reduce its population in managed turf.

In contrast, other options like Quackgrass and Nutsedge present more challenges in control strategies due to their perennial nature, which allows them to persist from year to year, making management more complicated. Foxtails, while somewhat easy to manage, often have a more complex growth cycle and might require multiple approaches to control effectively. Thus, Crabgrass stands out due to its lifecycle and vulnerability to weed control practices.