PUYALLUP, Wash. – A lush tropical rainforest, a field of sunflowers, a garden in your neighborhood. Our Earth is home to all kinds of plant life. From trees to catnip, there are thousands of different species of plants. Most of these plants are green, but not all of them.

That’s what I found out from my friend Linda Chalker-Scott. She’s a professor of horticulture at the Washington State University Puyallup Research and Extension Center who knows a lot about how plants work.

Read all of this answer from Dr. Universe at https://askdruniverse.wsu.edu/2017/03/13/why-are-plants-green/.


A service of Washington State University, Ask Dr. Universe answers some of the most interesting, tough and smart questions from curious kids all around the world.