College of Agriculture & Natural Resources

• West central Michigan tree fruit update – May 21, 2019

  Published on May 21, 2019
  Stone fruit is in bloom, apples are at pink and early insect activity is picking up.

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  Southwest Michigan fruit update – March 29, 2022

  Published on March 29, 2022
  This is the first update for the season. All fruit crops made it through the winter in good shape. Buds are swelling on early tree fruit.

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  Grand Rapids area apple maturity report – Sept. 19, 2018

  Published on September 19, 2018
  Some maturity parameters are moving very quickly in apples, but do they tell the whole story?

• Grand Rapids area apple maturity report – October 1, 2014

  Published on October 1, 2014
  After a slow start, the Ridge reaches a peak apple harvest window.

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  Southwest Michigan fruit update – Aug. 13, 2019

  Published on August 13, 2019
  Spotted wing Drosophila numbers continue to climb.

• Northwest Michigan fruit update – Aug. 8, 2017

  Published on August 8, 2017
  Cherry harvest is winding down and apple size and quality are looking good.

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  Experts in crop pollination to present in webinar series

  Published on January 11, 2017
  Growers can prepare for spring by hearing about recent pollination research.

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  Southwest Michigan fruit update – June 4, 2024

  Published on June 4, 2024
  Fruit development is 10-plus days ahead of normal.

• Southeast Michigan fruit regional report – August 18, 2015

  Published on August 18, 2015
  Fall red raspberry harvest begins, peach harvest continues and blueberry harvest winds down at most farms.

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  Worried about February warmup to fruit crops?

  Published on February 21, 2017
  Warmer weather has perennials off to an early start. Does that increase the risk of cold damage or spring freezes?

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  Southwest Michigan fruit update – June 24, 2025

  Published on June 27, 2025
  It was a hot week. Crops moved quickly.

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  West central Michigan apple maturity report – October 11, 2023

  Published on October 11, 2023
  Cool weather is here to stay. Golden Delicious, Red Delicious and Mutsu are being harvested this week. The later varieties, EverCrisp and Pink Lady, are starting to mature.

• Southeast Michigan fruit regional report – May 19, 2015

  Published on May 19, 2015
  Leafroller populations are very high in many apple blocks. Crop load is variable in many tree fruits as bloom has ended.

• Michigan spotted wing Drosophila summary report for 2015

  Published on September 29, 2015
  A summary of the spotted wing Drosophila monitoring network reports for the 2015 season.

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  New starch charts for evaluating the maturity of apple varieties in Michigan

  Published on December 21, 2023
  This collection of user-friendly Starch Index Scales features high quality images of iodine-stained apples across the range of starch values and detailed instructions for iodine testing.

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  Southwest Michigan apple maturity report – September 11, 2024

  Published on September 11, 2024
  Apple harvesting in southwest Michigan is moving rapidly.

• Southeast Michigan apple maturity report – October 21, 2015

  Published on October 21, 2015
  Apple harvest has wrapped up at a few farms, with most growers being close to the end. Growers are finishing up Ida Red and waiting for Braeburn, Cameo and Winesap to mature.

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  Northwest Michigan fruit update – May 16, 2017

  Published on May 16, 2017
  Growers are assessing damage from last week’s cold events, and with warm and wet conditions in the forecast, applications are being made to prevent diseases.

• Grand Rapids, Mich., area tree fruit regional report – April 2, 2013

  Published on April 2, 2013
  Growers are getting ready for the 2013 apple growing season.

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  Northwest Michigan fruit regional report – June 28, 2016

  Published on June 28, 2016
  Spotted wing Drosophila management is underway in susceptible fruit crops, and sweet cherry harvest will begin early next week.