Some of the unsolicited seeds sent in the mail to Americans in Colorado and 21 other states have been identified as herbs and other common plants, according to the federal Department of Agriculture.

Now is a great time to identify trees and shrubs on home grounds as the plants flower and form seeds and fruits. Fruits and seeds are one of the best indicators to use to identify plants, and they are ...

STATEN ISLAND, N.Y. -- Though it has been more than a few months since most trees produced their seeds, there are still a few that have yet to drop those seeds. Two of the most prominent street trees ...