Grapevine Bud Hardiness Update for Mid-January 2023

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Prepared by
Brad Estergaard
Okanagan Valley

Attached are the Winter Grape Bud Hardiness results for mid January.  The sampled hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on January 18th and 19th in the Okanagan Valley.

*Note: some of the exotherm events may be from remnant tissues in already damaged buds.

Grape Hardiness Reports and Growing Degree Day updates can now be accessed online at:


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