we often use terms like "true blue" or "sky blue" or "really blue" when discussing flowers in those shades. Diamonds Blue delphinium is really, truly blue -- an intense, vivid, almost electric ...

Join gardening expert Melissa Strauss to admire some of the loveliest hues, from cobalt to sky. The post 13 Beautiful Blue Delphinium Varieties to Plant This Season is by Melissa Strauss and ...