Michigan hop crop report week of July 10, 2025
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EmailGrowers are optimistic about the 2025 hop crop.
Weekly weather review
Temperatures across much of Michigan have been a couple of degrees above average over the last month and close to average since April. Growing degree days (GDD) base 50 degrees Fahrenheit are just below average for March 1-July 8. Accumulated precipitation is more variable depending on location; the Upper Peninsula and Tip of the Mitt have received more precipitation than normal, while a band from Saginaw Bay southwest to Benton Harbor has received less than normal and is in moderate to severe drought.
Accumulated growing degree days base 50 F range from over 600 in the Upper Peninsula and over 1,300 in certain areas of southern Michigan. GDD50 are near or just slightly below the long-term average across most of state.
Looking ahead
Scattered showers and thunderstorms are possible Friday evening, July 11, in northwest Michigan and statewide on Saturday. It will be partly sunny and warm Sunday into next week. High temperatures will warm to the low 80s in northern Michigan and high 80s further south. Lows will be in the 60s through the weekend.
From July 9-16, the forecast suggests 0.1-2 inches of precipitation depending on location. The 6-10 day forecast suggests warmer than normal temperatures and slightly greater precipitation than average.
For the most recent Michigan State University agriculture weather forecast, visit: MSU Extension Agriculture Weather.
Stage of production/physiology
Hops across Michigan are in Principal Growth Stage 2: Formation of Side Shoots, 3: Elongation of Bines, 5: Inflorescence emergence, and potentially 6: Flowering (burr stage) depending on growing location.
In the field
Hop plants are transitioning into reproductive stage. Growers are actively fertigating, applying micronutrients based upon leaf/petiole sample lab results and sufficiency ranges (below), and dialing back nitrogen applications as plants begin developing cones. Growers are scouting and treating for mites, European corn borer and Japanese beetles if necessary.
Leaf and petiole nutrient labs:
- Agro-Liquid, St. Johns, MI
- A&L Great Lakes, Ft. Wayne, IN
- New Age Laboratories, South Haven, MI
- Brookside Labs, New Knoxville, OH
SAP analysis labs:
- Agro-K, Minneapolis, MN
- Crop Health Labs, Bellville, OH
- New Age Laboratories, South Haven, MI
Sincere thanks to the Michigan hop producers who provided timely input for the Michigan Hop Crop Report.
Pest management
For current pest management information, see the Michigan hop pest report - July 10, 2025.
Stay connected!
For more information on hop production practices, please sign up for the hop MSU Extension Newsletter, the free MSU Hop Chat Series and continue to visit Michigan State University Extension’s Hops webpage or the MSU Hops News Facebook.
If you are unsure of what is causing symptoms in the field, you can submit a sample to MSU Plant & Pest Diagnostics. Visit the webpage for specific information about how to collect, package, ship and image plant samples for diagnosis. If you have any doubt about what or how to collect a good sample, please contact the lab at 517-432-0988 or pestid@msu.edu.
Become a licensed pesticide applicator
All growers utilizing pesticide can benefit from getting their license, even if not legally required. Understanding pesticides and the associated regulations can help growers protect themselves, others, and the environment. Michigan pesticide applicator licenses are administered by the Michigan Department of Agriculture and Rural Development. You can read all about the process by visiting the Pesticide FAQ webpage. Michigan State University offers a number of resources to assist people pursuing their license, including an online study/continuing ed course and study manuals.
This work is supported by the Crop Protection and Pest Management Program [grant no 2024-70006-43569] from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.
