Posted by: Sandy Steinman | July 31, 2020

How Old are Joshua Trees?

Joshua Tree National Park reports
Age is just a number… but for Joshua trees, we don’t know that number!

Determining the age of Joshua trees has been a challenge. Joshua trees are part of the agave family and so they don’t have tree rings. Tree rings are the typical way scientists measure a tree’s age. Since Joshua trees don’t have rings, scientists have instead tried to come up with different cues on its lifespan to determine the age.

For now, we can say Joshua trees are timeless. It’s rude to ask someone or something for their age anyway!


  1. […] How Old are Joshua Trees? — Natural History Wanderings […]


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