Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. There's a reason the intensely blue orchid flowers ...

Hydrangeas are a garden favorite. Blue hydrangeas are in the same category as whale watching - elusive and spectacular. There are a few things we need to do to have blue hydrangea blossoms. First we ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of "blue". Why is it that humans are so fond of blue? And why does it seem to be so rare in ...