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  • Profile picture of C. Michael Hogan who took this action.

    C. Michael Hogan commented on "Penny_K":

    Hi Penny. Yes, it is sap. There are other reports this year of sap exuding from Joshua Trees. This phenomena seems to occur every several decades, but no one seems to know what initiates the sporadic behavior. Keep watching.

    about 2 years ago

  • Profile picture of Penny_K who took this action.

    Penny_K commented on "C. Michael Hogan":

    Hi Michael, my name is Penny and I live in Joshua Tree CA. I recently noticed that my Joshua Tree (Yucca brevifolia) is oozing a deep red substance from the trunk. I would call it "sap" however I can not find anything online regarding sap. The oozing is about 18" above the ground and when it dries it turns an orange/tan color and hardens. Do you know what this could be?

    about 2 years ago