When is the ideal time to apply fertilizer to turfgrass?

The ideal time to apply fertilizer to turfgrass is during early spring and early fall. This timing aligns with the natural growth cycles of many cool-season grasses, which are typically most active in these periods. In early spring, as temperatures rise and the soil begins to warm, turfgrass resumes growth after winter dormancy. Applying fertilizer at this time promotes vigorous growth and helps the grass utilize nutrients effectively as it enters its active growth phase.

Similarly, early fall is another critical period because it prepares the grass for the winter months. Fertilizing in early fall allows the turfgrass to store nutrients, reinforcing its root system and enhancing its resilience against cold temperatures and diseases. Autumn applications also encourage recovery from summer stress and prepare the lawn for optimal growth in the upcoming spring.

Other options suggest applying fertilizer at times that do not align as closely with the growth patterns of typical turfgrass or advocate for continuous application throughout the year, which can lead to nutrient runoff, waste, and potential harm to the environment. Thus, timing fertilization in early spring and early fall is more effective and environmentally responsible.