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Cranberry Station News

2020 Final Keeping Quality Forecast

The Final Keeping Quality Forecast is Good. For more information click here.

2020 Frost Information

We are using frost tolerance reports from past years (see links) for pictures.  Because of the difficulties of Covid-19 in 2020, we are not taking pictures weekly.  Please refer to the 2019 Spring Frost Sheet and the past frost tolerance reports to compare with the stages of bud development on your bog (click here).  The IPM messages may also have updated information regarding frost (click here).


2020 Preliminary Keeping Quality Forecast

The Preliminary keeping quality forecast is FAIR. For more information click here.

Update to the 2018-2020 Cranberry Chart Book April 2020

The April 2020 Update to the 2018-2020 Chart Book is now available. To view or print a copy click here.

Cranberry Station Update

To comply with both University, State, and National guidance procedures regarding social distancing during the Corona virus outbreak, the UMass Cranberry Station will be closed until further notice.  All the staff and faculty are working remotely and are available by phone, email or other conferencing platforms. Please go to this link for our contact information:


April 4 Respirator Training with Marty is postponed until further notice.

April 15 Pesticide Safety Meeting is postponed until further notice.

All other in-person meetings are postponed until further notice.

Frost tolerance evaluations are still planned (once GDD have reached the threshold that indicates observations should begin). Please contact Peter Jeranyama for more information.


Fall Frost Tolerance Report

The Fall Frost Tolerance Report has begun!  Please click here to view the September 4, 2019 report.

Reporting Kerb Use for 2019 in MA

The Emergency Exemption granted by EPA expires June 30, 2019.  MDAR requires that all applications are reported to them by November 30, 2019.  Labels and MDAR reporting forms are available by clicking here.

Cranberry Frost Tolerance Reports

The Spring 2019 Cranberry Frost Tolerance Reports have started. To access weekly reports click here.

2019 Final Keeping Quality Forecast

The 2019 Final keeping quality forecast is GOOD. For more information click here.

Fall Frost Tolerances Photo Fact Sheet (2019)

The Fall Frost Tolerances Photo Fact Sheet for 2019 is now available. Click here to link to download.