Climate change is a threat to high chill crops like walnuts, and we know very little about how these plants will react (they’re too big to do controlled climate studies on!). Katherine Jarvis-Shean was funded to examine how walnuts respond to low chill winters, and whether rest breaking agents may help in a low chill year. In this episode, she describes the clever way she reduces winter chill accumulation in walnut trees, and early results.

Mention of a trade name is not an endorsement or recommendation, discussion of some of the products in the episode is for research uses only. Always check the label before applying.

Thank you to the Almond, Pistachio, Prune, and Walnut Boards of California for their kind donations. Thank you to Muriel Gordon for the music.

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