Orchids, though commonly considered easy to cultivate, can present challenges. Yellowing leaves are one of the most common problems. Discover what could be causing this and how to prevent it.

February is the peak month for displays of the exotic flower at botanical gardens around the world. And a good time to ask for advice on keeping yours healthy ...

Cancel anytime. Yellow parasol mushroom sclerotia growing on dead orchid roots and bark (left) and young mushrooms (right). Scot Nelson (right) Q: I repotted some houseplants a few months ago and ...