Question
I was told to apply a product to guarantee blue blooms. What is the name of this product and how and when do I apply it?
![hedge of The Original hydrangea with blue blooms](https://garden-gab.com/wp-content/uploads/2022/04/HydEndlessSummerTheOriginal-432-2880.jpg)
Answer
Happy to help! The product you are looking for is called Color me Blue – it contains minerals to acidify your soil which will turn your blooms blue. Read this article to learn how to apply this product to your Endless Summer® Hydrangeas. If you’d like to learn more about the science behind this, our video on hydrangea soil science is a great resource.