CDGATurfgrassProgram
@TurfResearch
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Dedicated researchers and turf pathologists working for golf course superintendents in the Chicago area.
Lemont, IL
Joined February 2010
August Rain! Poa Trivialis, Pythium Blight, Summer Patch and Selective Herbicide Research
turfresearch.medium.com
It has been a long summer; depending on your perspective of course. I am talking about the people who enjoy working outdoors. Case in point…
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August! More ABW, Ant Mounds, Oxalis?, Wisconsin Field Day and Dollar Spot Research
turfresearch.medium.com
After a stretch of intense heat through much of July, the first week of August brought cooler weather across the Chicago region, with high…
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Goodbye July! Scouting for ABW, Brown Patch, Type 1 Fairy Ring and 123rd Western Amateur
turfresearch.medium.com
Goodbye July! Because if you are a grower of creeping bentgrass at low heights of cut (putting greens) it would have amounted to one of the…
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Second Heat Wave! ABW Damage Now Occurring, Yellow Nutsedge, Dollar Spot, and Moss Research
turfresearch.medium.com
After a brief cool-down last week, we’re back into heat stress conditions with a return to the dog days of summer — highs in the 90s and…
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A Break! Recovery, Wear Injury, Fairy Ring, Lance Nematodes and a Mini Field Day
turfresearch.medium.com
A break! The forecast called for a hot day (90+) with an afternoon thunderstorm which would drop temperatures (70s) and that’s exactly what…
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July!?! Peak Heat Pauses, Spotted Spurge Broadleaf Weed, Purdue Field Day and Knotweed Research
turfresearch.medium.com
The 2025 season brought an abrupt transition from May to July, skipping the crucial month of June that is vital for creeping bentgrass root…
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July 4th! Heat Stress, Early Root Decline, Etiolation?!?, Take-all Patch (more) and ABW Damage
turfresearch.medium.com
We are now experiencing an especially hot summer — some have been saying we’ve been long overdue. For example, the last really hot Chicago…
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90s for Highs! Traffic Stress, Brown Patch, Crabgrass, and C4 Winterkill Recap
turfresearch.medium.com
The final full week of June brought some of the hottest weather of 2025 so far to the Chicago area. As forecasted, high temperatures soared…
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Summertime! 1st Heat Wave, Dollar Spot begins, Take-all Patch again?!? and Native Flowers
turfresearch.medium.com
Summertime And the livin’ is easy Fish are jumpin'… as the 1930s play goes. It certainly isn’t easy in summer if you are a grower. We are…
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June Heat! Soil Temps Above 70s, Knotweed, Bentgrass Variety Trial
turfresearch.medium.com
Warmer and dry conditions dominated most of the week following last week’s rainfall. Finally, creeping bentgrass has shown accelerated…
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Rain in June! LDS Halts, 1st Waitea, Jumping Worms? and Bentgrass is Growing
turfresearch.medium.com
Well it finally happened. It rained. And so we are now growing better. Some warmth too. And if you wanted a growth barometer, look no further than your garden tomatoes — in a week they’ve seen some…
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May Ends! Warm Up Ahead, Broadleaf Weeds, Manuscript Herbicide Research
turfresearch.medium.com
May began with an unseasonably cool spell, only to swing dramatically into a period of record-setting heat, followed by another drop in air…
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Strange Weather! Roller Coaster Spring, Bentgrass Off-Color, Poa Seedheads, and an Award
turfresearch.medium.com
It was supposed to be a dry and normal spring. Instead, it has been a strange spring. If you are a grower, April and May haven’t been easy…
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Mid-May! Research Begins, White Clover, and Velocity vs Poa Annua
turfresearch.medium.com
As we move into the second week of May, the CDGA turfgrass research season is officially underway. A new silvery thread moss control study…
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May! Creeping Bent Woes, Cool Nights, Desiccation, and a Native Forb & Grass Demo
turfresearch.medium.com
A couple weeks ago I said, “We are now in full spring mode!”. Well, I was kind of right and kind of wrong. Nighttime temperatures have continued to remain cool (dipping into 40s). That’s normal —…
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April Wrap-Up! Poa Seedheads, Temperature Swings, and CDGA Topdressing Sand & Biochar Research
turfresearch.medium.com
As April draws to a close, spring is making its presence known across the turf. Poa annua is actively growing and producing seedheads —…
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Spring! Hello Flowering Ornamentals, Dandelions Pounce, Yellow Patch, and Blue Coat Univ?
turfresearch.medium.com
We are now in full spring mode. You can tell as many of the usual early spring flowering ornamentals have achieved full bloom — trees of…
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Signs of Spring in Chicago! Soil Temperature Over 50s, and Bentgrass Variety Research
turfresearch.medium.com
The third week of April brought a few early signs of spring, though the spring season is not yet in full swing. Air temperatures have been…
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April Showers! Winter Recap, Few Issues, and Tenacity Research Update
turfresearch.medium.com
This winter was a cold ride temperature-wise. Or was it? Here’s how the Illinois State Climatologist summed up our January to February in…
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2024 CDGA Turfgrass Program Summary Report
link.medium.com
Temperatures. Growing season 2024 saw a warm summer. Highs of 90°F or more occurred on 19 days this summer with June experiencing an early…
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