Skip to main content

shape of a tree

Giant sequoia branches covered in snow. Photo by garden beth, Flickr Creative Commons

Why are Christmas trees pointy on top?

on

Why are Christmas trees shaped the way they are, pointy on top and wide at the bottom?  It’s because their growth is regulated by hormones.  One such hormone (called auxin) is produced at the growing tip of the treetop and Continued

Join our newsletter
Get the latest redwood updates in your inbox
   Please leave this field empty
Top