Home / Field Notes/ Walnuts And Oaks/ 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 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 →