Grape Bud Hardiness Report

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early November.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on November 8^th and 9^th in the Okanagan Valley.

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

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late October.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on October 27^th and 28^th in the Okanagan Valley.

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

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early April.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on April 7^th and 8^th in the Okanagan Valley. 

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late March.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on March 31^st and April 1^st in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Mid March.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on March 17^th and 18^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early March.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on March 3^rd and 4^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early February.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on February 3^rd and 4^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late January.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on January 20^th and 21^st in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early January.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on January 6^th and 7^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late December.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on December 22^nd and 23^rd in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Early December.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on December 9^th and 10^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late November.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on November 25^th and 26^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Mid November.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on November 10^th and 12^th in the Okanagan Valley.

Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for Late March.  The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on March 25^th and 26^th in the Okanagan Valley. 

This is the final Bud Hardiness Report of the 2019-2020 winter season.  Bud hardiness data was not collected on April 8^th and 9^th as the Summerland Research and Development Centre was closed due to COVID-19.