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Checking on Cold Hardiness in Blueberries

Volume 11 Issue 12


With the onset of freezing weather, growers can check on the hardiness of their blueberry plants by accessing the Washington State University blueberry cold hardiness model available for free on WSU AgWeatherNet ( To access the model, you will need to set up a username and password and navigate to the model (under “Models”). To date, no freeze damage has been predicted by the models for ‘Duke’ and ‘Draper’ in northwest Washington. Additional cultivars will be added to the model very soon.

In addition, more information about assessing for freeze damage and the model can be found here:

If you have questions about blueberry cold hardiness in your fields, feel free to contact Lisa DeVetter ( and Gwen Hoheisel (