These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.

Get all the news you need in your inbox each morning. Hay fever is caused by a plant called ragweed. Though goldenrod and ragweed can be found growing together, or in similar places, they are very ...

Solidago, or goldenrod, is a fantastic herbaceous late-flowering perennial. Not to be confused with ragweed, goldenrod may ...