There are very few flowers that are a true blue color. Many varieties that are called blue have purple or pink hues mixed in. We don't think that the pH of your soil has anything to do with the color change. There are a few causes for color change, older corms sometimes change color over time and a couple of viruses can also cause color change in glads.
There are very few flowers that are a true blue color. Many varieties that are called blue have purple or pink hues mixed in. We don't think that the pH of your soil has anything to do with the color change. There are a few causes for color change, older corms sometimes change color over time and a couple of viruses can also cause color change in glads.