The UC Master Gardener Hotline often gets calls with questions like, “I saw a tree covered in beautiful flowers. Can you tell me what it is? Is it easy to grow?” Below is a list of waterwise trees ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

Trees tell us stories. Scientists count their rings to figure out how old they are and when those years add up, it can be a sign of nature's endurance in the face of change. Trees that have stood tall ...

How does that old Almond Joy commercial go? Sometimes you feel like a nut, sometimes you don't. Yes, that's the one. But wait, what is a tree nut? Sometimes it's not always clear what distinguishes an ...