What can I do to get my shrub completely red instead of so much Green.???
Certified GKH Gardening Expert
This is usually determined by the environment. To turn red, the tree will require temperatures between 32 and 45 degrees. This cool snap is what initiates the red.
Here is an article that will help: https://www.gardeningknowhow.com/ornamental/trees/tgen/keeping-red-trees-red.htm