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Apple Maturity

Michigan is well known as a significant U.S. apple producing state. This page is a compilation of maturity reports from apple growing regions around the state and resources to help you in your harvest decisions. 

Apple maturity reports

  • Southwest Michigan apple maturity report – October 2, 2024

    Published on October 2, 2024

  • Southwest Michigan apple maturity report – September 25, 2024

    Published on September 25, 2024

  • West central Michigan apple maturity report – September 25, 2024

    Published on September 25, 2024

  • West central Michigan apple maturity report – September 18, 2024

    Published on September 18, 2024

  • Southwest Michigan apple maturity report – September 18, 2024

    Published on September 18, 2024

  • West central Michigan apple maturity report – September 11, 2024

    Published on September 11, 2024

  • Southwest Michigan apple maturity report – September 11, 2024

    Published on September 11, 2024

  • Seasonal temperatures, fruit development and storability: How does 2024 compare to the previous 17 years?

    Published on September 9, 2024

  • West central Michigan apple maturity report – September 4, 2024

    Published on September 5, 2024

  • Southwest Michigan apple maturity report – September 4, 2024

    Published on September 4, 2024

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Additional articles

  • Options for sourcing 1-MCP for 2021
  • Predicted 2021 apple harvest dates
  • General observations from MSU Apple Maturity Lab for 2018
  • Bitterpit control in apples
  • Watercore in apples: Causes, concerns, detection and sorting
  • Tools to help manage apple harvest
  • Why does apple fruit drop prematurely?
  • Use summer NAA to enhance return bloom on apple varieties
  • Starch chart for Honeycrisp apple fruit
  • Lenticel infections and bitter rot of apples
  • Checking apple maturity: What to look for
  • Predicting harvest date windows for apples

Archived reports

  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • 2009

2017 reports

Oct. 18

  • Southeast Michigan

Oct. 11

  • Grand Rapids, Michigan
  • Southeast Michigan
  • Southwest Michigan
  • West central Michigan

Oct. 4

  • Grand Rapids, Michigan
  • Northwest Michigan
  • Southeast Michigan
  • Southwest Michigan
  • West central Michigan

Sept. 27

  • Grand Rapids, Michigan
  • Northwest Michigan
  • Southeast Michigan
  • Southwest Michigan
  • West central Michigan

Sept. 20

  • Grand Rapids, Michigan
  • Northwest Michigan
  • Southeast Michigan
  • Southwest Michigan
  • West central Michigan

Sept. 13

  • Grand Rapids, Michigan
  • Northwest Michigan
  • Southeast Michigan
  • Southwest Michigan
  • West central Michigan

Sept. 6

  • Northwest Michigan
  • Southwest Michigan
  • West central Michigan

Aug. 30

  • Grand Rapids, Michigan
  • Southeast Michigan
  • West central Michigan

Back to list of archives

2016

Oct. 19

  • West central Michigan

Oct. 12

  • Southwest Michigan
  • Northwest Michigan
  • Southwest Michigan
  • Northwest Michigan
  • Southwest Michigan
  • Northwest Michigan
  • Southwest Michigan
  • Northwest Michigan
  • Southwest Michigan
  • Southeast Michigan
  • Southwest Michigan

Back to list of archives

2015

October 21

  • Southeast Michigan

October 14 

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan

October 7

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan

September 30

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan
  • Northwest Michigan

September 23

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan
  • Northwest Michigan

September 16

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan

September 9 

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan
  • Northwest Michigan

September 2

  • Southwest Michigan
  • Southeast Michigan
  • West central Michigan
  • Northwest Michigan

Back to list of archives

2014

October 22

  • Southeast Michigan
  • Grand Rapids area

October 15

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

October 8

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

October 1

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 24

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 17

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 10

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 4

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area

Back to list of archives

2013

October 9, 2013 

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

October 2, 2013

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 26, 2013 

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 18, 2013

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 11, 2013 

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

September 5, 2013 

  • Southwest Michigan
  • Southeast Michigan
  • Grand Rapids area
  • Northwest Michigan

Back to list of archives

2012

  • September 27
  • September 19
  • September 12
  • September 6
  • August 29
  • August 23

Back to list of archives

2011

  • September 7
  • September 14
  • September 21
  • September 28
  • October 5
  • October 12
  • October 13
  • October 19

Back to list of archives

2010

Southwest Michigan

  • August 25
  • August 31
  • September 7
  • September 21
  • September 28
  • October 5

Southeast Michigan

  • August 31
  • September 1
  • September 8
  • September 15
  • September 22
  • September 29
  • October 6
  • October 13

West Central Michigan

  • September 15
  • September 29
  • October 6

Northwest Michigan

  • September 15
  • September 22
  • September 29
  • October 7

Grand Rapids Area

  • August 26
  • September 1
  • September 8
  • September 27
  • October 8

Back to list of archives

2009

Southwest Michigan

  • September 2
  • September 9
  • September 14
  • September 23
  • September 29
  • October 6

Southeast Michigan

  • September 3
  • September 9
  • September 16
  • September 23
  • September 30
  • October 7
  • October 14
  • October 21

West Central Michigan

  • September 1
  • September 16
  • September 23
  • September 30
  • October 9
  • October 22

Northwest Michigan

  • September 23
  • September 30
  • October 7
  • October 14

Grand Rapids Area

  • September 2
  • September 10
  • September 18
  • October 9
  • October 16

Back to list of archives

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Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Quentin Tyler, Director, MSU Extension, East Lansing, MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.

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