They line both sides of the Palace Green and bloom each spring into a magnificient sea of white and purple flowers. Planted in the same spot where their predecessors grew more than 260 years ago, the ...

Have you ever heard of a “fence-post tree"? Also known as Indian bean tree, cigar tree, catawba, or caterpillar tree, Catalpa is a large tree with showy white, fragrant flowers, massive heart-shaped ...

As I write this, the many catalpa trees surrounding our farmyard are raining leaves. Last night we had our first frost, an occasion that causes all the catalpas to simultaneously shed all their leaves ...

In 1922, according to an article in The Daily Appeal , four catalpa trees graced the Capitol grounds. "They are in full bloom, and with their immense green leaves and beautiful snow-white blossoms, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...