When should I fertilize from a landscape company?

Fertilization depends on plant type and season. In Salt Lake and Davis Counties, cool-season grasses like Kentucky bluegrass benefit from 3–4 applications: early spring, late spring, mid-summer (light), and fall (heavy). Fall fertilization is most important because it strengthens roots before winter. Shrubs and perennials usually need spring feeding, while trees benefit from deep root fertilization every few years. Overfertilizing can harm plants and pollute waterways, so follow local extension service guidelines. A professional landscaper should provide a fertilization schedule specific to your plant palette and soil conditions. Testing soil every few years ensures you’re applying the right nutrients.