With planting now wrapped up nationwide, corn emergence is nearing completion across much of the Corn Belt. Emergence in Indiana has progressed well, reaching 89%, up from 81% the previous week, although it is still slightly behind the five-year average of 94%.
We’ve made it! Meteorological summer started on June 1, but the official start of summer isn’t until June 20.
Field corn in Indiana typically enters the critical flowering stages of pollen shed and silk emergence sometime between late June to late July.
The consequences of flooding, ponding, and saturated soils on young corn depend heavily on the duration of the stress and temperatures.
According to the USDA-NASS planting progress report released on June 9, 2025, 97% of the U.S. corn crop has been planted, a notable increase from 93% the previous week and at the same pace as the five-year average of 97% (Figure 1).
Tar spot confirmed in our research plots in Indiana this week. Corn growth stages are quite variable across Indiana, but a number of areas with early planted corn are about knee high.
The Field Crops IPM lab at Purdue is part of a study, funded by the NCSRP and led by UW-Madison, using AI-driven tools for maximizing soybean yield and profitability.
Welcome to the start of Hurricane Season that runs from June through November each year.
According to the USDA-NASS planting progress report released on June 2, 2025, 93% of the U.S. corn crop has been planted, a notable increase from 87% the previous week and matching the five-year average of 93% (Figure 1).
Mark your calendars and come on out to join us for our annual Purdue Weed Science Field Day!
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