Trees are not a monophyletic taxonomic group but consist of a wide variety of plant species that have independently evolved a trunk and branches as a way to tower above other plants to compete for …

Nov 11, 2025 · RITree offers a variety of educational resources that provide up-to-date information on tree care. They provide the latest tips and techniques for keeping plants healthy and growing. These …

Oct 28, 2025 · A tree is a woody plant that regularly renews its growth. Most plants classified as trees have a single self-supporting trunk containing woody tissues, and in most species the trunk produces …

Jan 22, 2024 · In this article, you will learn how to identify many different types of trees. Most of these trees are common in North America, Europe, and other countries around the world. All of the …

Dive into robust resources and helpful tips for tree selection, planting, care, and more.

4 days ago · How Long a Christmas Tree Lasts A fresh-cut Christmas tree typically lasts 3 to 4 weeks with proper care. “Trees stay fresher when they're kept well hydrated and placed away from fireplaces, …

Click on any scientific name to see a detailed PDF about that tree, or scroll down to the bottom and use the interactive “What tree is that?” tool produced by the Arbor Day Foundation.

Oct 28, 2025 · As vascular plants, trees are organized into three major organs: the roots, the stems, and the leaves. The leaves are the principal photosynthetic organs of most higher vascular plants.

Learn to identify the trees in your world with this colorful, easy-to-use guide that’s great for everyone from students to professional arborists. In it, you’ll find: Experience the power of trees by getting your …

The earliest trees were tree ferns, horsetails and lycophytes, which grew in forests in the Carboniferous period; tree ferns still survive, but the only surviving horsetails and lycophytes are not of tree form.