Author name: John Moriarty

In many parts of Florida, June 1 marks the beginning of seasonal fertilizer restrictions tied to the summer rainy season. For professional landscapers, that date isn’t just a regulatory checkpoint—it’s a planning deadline.

What happens before June 1 plays a major role in how turf performs through the most challenging months of the year.

When evaluating turf fertilizers, many assume that higher NPK numbers—like 28-5-12—deliver better results. But higher analysis doesn’t always mean better performance. In fact, it often means higher salt content. A more effective approach focuses on nutrient efficiency, not just concentration. High NPK Fertilizers vs. Organic Matter-Based Fertilizers Traditional high-nitrogen fertilizers rely on concentrated synthetic salts