61 years old (sown in 1949) <a href="//commons.wikimedia.org/wiki/Dawn_Redwood" class="mw-redirect" title="Dawn Redwood">Dawn Redwood</a> in <a href="//commons.wikimedia.org/wiki/Warsaw_University_Botanical_Garden" class="mw-redirect" title="Warsaw University Botanical Garden">Warsaw University Botanical Garden</a>
<a href="//commons.wikimedia.org/wiki/User:Crusier" title="User:Crusier">Crusier</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>