Which factor is critical to consider when selecting a pesticide?

When selecting a pesticide, the effectiveness against the targeted pest is crucial. This factor ensures that the pesticide will successfully manage or eliminate the specific pest that is causing damage or issues in the ornamental or turf areas. Effectiveness is typically determined by the active ingredients, formulation, and mode of action of the pesticide.

Choosing a pesticide based solely on cost may lead to purchasing a product that does not adequately address the pest problem, resulting in wasted resources and potential damage to plants. Availability in local stores, while convenient, doesn't guarantee the quality or effectiveness of the pesticide. Popularity among users might indicate that a product is well-regarded, but it does not necessarily mean it will perform effectively for your specific pest situation. Thus, focusing on the proven efficacy is the most accountable approach when selecting a pesticide, ensuring proper pest control and protection of the landscape.