Crop Guide
Grower tool
Match nutrition to growth stage.
A stage by stage field reference for corn, soybeans, and wheat. What is happening inside the plant, which nutrients are in demand, what deficiency looks like, and how to manage the window while it is still open.
Next step
The stage is the deadline. Plan before it closes.
Every window on this page has a date attached to it in your field. Send us your soil tests, tissue or sap results, and planting dates, and we will build the season around them.
Timings are typical ranges and will shift with hybrid or variety, planting date, geography, and season. Growth stage definitions follow standard staging guides. This page is educational and is not a fertilizer recommendation. Work from your own soil test, tissue results, and a qualified agronomist before making applications.