Everyone loves to see a nice green corn field emerge, but this year is proving to be a bit more colorful. Those yellow or purple hues in some corn seedlings are mostly an indication of the recent cool temperatures. With a little luck and a shot of warm weather, the crop should quickly grow out of it and forge ahead.
Yellow seedlings are almost always the result of cool and cloudy days. Purple corn takes a little more diagnosis.
Purpling could be related to phosphorus deficiency, cold soil temperatures or variety sensitivity.
The purple color in corn plant tissue results ...