She extols several plants currently blooming in her garden whose flowers are in the fiery color spectrum that stretches from ...

Greg Malone, the plant science program director, told me the weird objects were the fruit of the Osage orange tree. There isn't a nut inside, just a fleshy center and tiny seeds, he said.

Did you ever wonder why limes are green and every other type of citrus fruit is either orange or yellow? The reason for this, I recently learned, is that limes (and lime trees) are the most cold ...

In our climate, it is normal for limes to turn yellow when they are mature. We became accustomed to the idea of limes being green because ... a nice healthy navel orange tree planted in the ...

yellow, and orange. Some tree species can express several of these colors simultaneously as the season progresses. All leaves start out in summer as green. This is because of the presence of a ...

This season, leaf peepers will see shades of red, purple, orange ... Ever wondered why all of the aspen trees shift from bright green to a bright golden yellow? Like any color palette, leaf ...