Best Garden Fertilizers, Plant Food & Soil Amendments of 2025
Fertilizer is where gardening gets confusing. The shelves at the garden center are stacked with bags and bottles all promising bigger blooms and more vegetables, but the NPK numbers, the organic labels, the slow-release vs. liquid debate — it is easy to grab the wrong thing. We tested 7 fertilizers, plant foods, and soil amendments over a full growing season on vegetables, flowers, and lawn patches. We tracked growth rates, leaf color, bloom count, and whether each product lived up to its label claims. ...