College of Agriculture & Natural Resources

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  Northwest Michigan fruit update – April 26, 2022

  Published on April 26, 2022
  The region accumulated growing degree days over the weekend with the warmup, but cold temperatures are back for the remainder of the week.

• Regional reports on Michigan fruit – August 7, 2012

  Published on August 7, 2012
  MSU Extension educators’ pest and fruit updates for Michigan.

• Southeast Michigan fruit regional report – August 12, 2014

  Published on August 12, 2014
  Strong apple maggot catch on red sphere traps finally arrives for most apple growers, and spotted wing Drosophila trap catch continues to rise in raspberry and blueberry plantings.

• Northwest Michigan fruit regional report – August 6, 2013

  Published on August 6, 2013
  Tart cherry harvest continues in northwest Michigan, and cool weather has helped keep good quality fruit.

• Southeast Michigan apple maturity report – October 2, 2013

  Published on October 2, 2013
  Apple harvest continues at a rapid pace across southeast Michigan.

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  Southeast Michigan fruit update – July 29, 2025

  Published on July 29, 2025
  Peach harvest is accelerating and we have the first veraison in grapes.

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  Northwest Michigan fruit update – June 17, 2025

  Published on June 17, 2025
  Apple size increased by 8 mm since last week, and some growers are still thinning apples. Growers are estimating tart and sweet cherry crops following cold damage in late April.

• East Michigan apple maturity report – Oct. 24, 2018

  Published on October 24, 2018
  Apple maturity has moved quickly in the past week, with all five varieties tested this week ready to harvest or over-mature. Harvest will be wrapping up quickly for most apple growers.

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  Southwest Michigan apple maturity report – September 21, 2022

  Published on September 21, 2022
  A few Honeycrisp remain to be harvested in southwest Michigan. Growers are now switching to harvesting Jonagold, Golden Delicious and Red Delicious.

• Hydrating new bare root trees for planting

  Published on March 16, 2012
  Michigan fruit growers could benefit from soaking their trees before planting for at least 24 hours, allowing plants to hydrate to twice their weight and providing 30 days of water.

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  Southwest Michigan apple maturity report – September 6, 2023

  Published on September 7, 2023
  Honeycrisp and Gala apple varieties are maturing quickly in 2023 in southwest Michigan.

• How hot? How dry? Enviro-weather tools help answer these questions

  Published on July 10, 2012
  Fruit and vegetable growers can use MSU’s Enviro-weather tools to quickly compare seasonal heat (degree-day) and moisture (precipitation) accumulations with previous years and “normal” years.

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  West central Michigan apple maturity report – September 20, 2023

  Published on September 20, 2023
  Growers are continuing to pick Gala and Honeycrisp this week. Jonagold is ready.

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  Southwest Michigan fruit update – July 14, 2020

  Published on July 14, 2020
  Summer fruit harvest is continuing. The brief rains and cool weather was a welcome break, but heat and humidity will return.

• Grand Rapids area tree fruit update - April 9, 2024

  Published on April 9, 2024
  Apple scab season is here!

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  What are radiation freezes?

  Published on March 2, 2015
  Low temperatures often depend on atmospheric conditions and the local topography. Calm conditions allow the temperatures to drop quickly after the sun goes down. You can track freezes with MSU’s Enviro-weather.

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  Why are my apples blooming during fall?

  Published on October 16, 2015
  Stresses such as drought, which causes growth to stop and start, can confuse woody perennials and cause out of sync bloom.

• Grand Rapids area apple maturity report – Sept. 27, 2017

  Published on September 27, 2017
  Several days of record-breaking temperatures doesn’t stop apple harvest.

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  West central Michigan tree fruit update – June 11, 2024

  Published on June 11, 2024
  Sweet cherry varieties and some tart cherries are starting to turn red. Harvest of early sweet cherry varieties is just a few weeks away.

• Michigan brown marmorated stink bug report for July 21, 2015

  Published on July 22, 2015
  No brown marmorated stink bugs have been found in traps in the monitoring network in the third week of trapping.