S ome plants make the best companions, and this tough wildflower, known for its pretty purple petals, is no exception. If you ...

North America’s largest species of swallow, purple martins winter in the rainforests of Brazil before making up to a 7,000-mile migration north into the eastern United States and Canada.

while observing a tree that was beginning to turn purple. "But something is not right here: jacarandas in winter?" he wondered. Senior Correspondent based in Mexico. Reports on politics ...