Learn exactly when to plant zinnia seeds indoors or out, plus care tips for maximizing blooms. Zinnias make fantastic cut flowers and companion plants, and their rainbow-hued blooms fit right into ...

But this tropical tree doesn't like the cold, leaving fans wondering, "can a rainbow eucalyptus grow indoors?" We asked a tropical plant expert to find out. Justin Hancock is director of research ...

Container gardens don’t require a yard or much space and yield lots of produce. Here's how you can start your own with the help of Rainbow Gardens.