Home / Field Notes/ Walnuts and Oaks: Fall Field Notes/ Fall Fall field notes Walnuts and Oaks: Fall Field Notes Browse more notes Field note · October 2023 zone 3 (-40F) black walnuts processed Oak Summit Nursery · Southern Manitoba zone 3 (-40F) black walnuts processed, I let most of the ripen before using a paint mixer to dehull. with some luck and caged in squirrel proof beds there will be walnut trees next year. More from the nursery More Walnuts and Oaks: Fall Field Notes See all notes October 2023 acorns vacuum sealed are so cool Read field note → August 2023 on a walk found some early bur oak acorns Read field note →