Currently, the corn and soybean crops are looking good. Soybeans range from V3 to R2 (full bloom), while corn varies from V7 to R1 (silking), with most of the crop at V10+ and some expected to reach VT before July 4. Weed control is generally looking good. Alfalfa fields are ready for the second cutting.

Crops are off like a rocket in our territory. Favorable growing conditions—warm weather and timely rains—have set us up for success. With these conditions, concerns about crop diseases like the dreaded tar spot are becoming a reality. There have been several sightings of it in our territory. If the heat continues as it has this week, we believe it will help reduce the push of infection.

As for soybeans, many post applications have been applied. These treatments continue to show significant crop response on the leaves. We’re also seeing good success with these applications in controlling waterhemp and other tough-to-kill pests.

It’s that time of year when we encourage producers to take a two-week vacation—and come back to clean fields and beautiful crops! Corn is coming out of its ugly stage as it finds nitrogen, and soybeans are rebounding nicely after the initial setback from post applications. All in all, we’re excited about the potential our crops continue to show.

After a very hot and humid week, LaSalle County received some much-needed rainfall on Tuesday night. Crops were exhibiting considerable heat stress before this, but overall, they’re now looking much healthier. Additional rainfall is in the forecast for Wednesday night and potentially into the weekend, though temperatures will remain in the high 80s to 90s. Corn is reaching V6–V7, and most soybeans are at V2–V3. There is a wider range of growth stages among soybean fields, with some recently replanted; one scouted field was already at R1. No significant pest or disease issues have been observed yet, although Japanese beetles were present in many soybean fields. Recent reports confirmed Tar spot in Bureau County, so growers should stay vigilant and continue scouting.

The high temperatures over the last week have caused many corn fields to grow at a rapid pace. There is hardly a corn field that isn’t knee-high—one week before the Fourth of July. At the University Research Plot in Hartsburg, IL, corn is at the V9–V10 stage, with other fields in the area at V7–V8. Soybeans have faced a tougher challenge with the high temps. While some fields are handling the heat well, many are showing signs of stress, including cupped leaves. There are no additional signs of insect or disease pressure yet, but continued high temperatures will likely lead to more issues.

The heat this week has certainly helped move the crop along in Champaign County. And despite a couple of pop-up showers, it has also helped dry out fields enough for post-emergence herbicide applications, which were needed—and probably a couple of weeks past due—in several soybean fields. Soybeans with good early-season weed control remain relatively clean. Many soybean fields are starting to flower (R1) or have reached full flower (R2), but there are still plenty of later-planted fields in earlier vegetative growth stages (V2–V3).

Early corn is about head high, around V14–V15. Brace roots are just starting to emerge in these fields, which will help in some cases where plants are still leaning from last week’s strong windstorm. Later corn is generally in the V6–V8 range and starting to grow more rapidly. I passed one wheat field already harvested during my survey and a few others that were fully mature (Feekes 11.4) and not far from harvest themselves.

Although the heat and break from the rain were needed for many farmers to wrap up early-season field operations, conditions could quickly tip toward the dry side with rapidly growing (and transpiring) crops. As always, timely rains will be critical to replenish soil moisture and minimize stress during these hot summer days.

Central/West-Central Illinois Crop Report 6/23/25

A drive through WC/C IL late last week showed a sizable fraction of the soybean crop still fighting to get past the “early-season” uglies—the typical yellow-green look we see every year. That story began to shift over the weekend as heat drove further root development, turning the countryside (in many places) a more satisfying dark green.

As we would expect, given variable planting dates, crop development remains diverse. The bean crop currently averages 6 to 7 nodes, with the earliest-planted fields showing 10 to 11 nodes and the latest-planted showing 3 to 4. Rows in many areas have begun to canopy, and our first batch of flowers can now be observed in several locations.

Weed control has been a recent point of discussion. Some of those conversations have included concerns about damaging the first flush of flowers, particularly where weed pressure has been more difficult to manage.

The southeastern portion of this area is experiencing what Southern Illinoisans know too well—the rain never wanted to shut off, and now it seems to have disappeared.

Japanese beetle emergence began last week, and grape colaspis adults will soon follow.

In other row crop news, tassels began emerging in our earliest-planted corn fields over the weekend. Most of the corn crop is still several leaves away from the reproductive stage, but kernel establishment is approaching quickly.

Wheat harvest will soon knock on the door, and hay bales are beginning to dot fields across the area.