Our landscapes all have the potential to be very colorful. You can find a plant for every color in the rainbow, and the color blue is extremely popular. This week, I would like to share with you some ...

Lobelia siphilitica, Blue Cardinal Flower Blue cardinal flower, also known as great blue lobelia, is a tall native perennial that blooms for long weeks at the end of summer. Like its striking cousin, ...

Above image by Smithsonian Institution on USDA-NRCS PLANTS Database. As you travel Indiana’s backroads in July and August, you can observe what we might call one of nature’s rarities – a distinct sky ...

* What it is: Lily-of-the-Nile is a tough, long-blooming, perennial blue flower that’s very common in its native South Africa and warm-weather parts of the U.S., but it’s always been just out of our ...

Adrian Dyer receives funding from The Australian Research Council. At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that ...