Root. In the computer world, root refers to the top-level directory of a file system. The word is derived from a tree root, since it represents the starting point of a hierarchical tree structure.
Use a fertilizer with high levels of phosphorus. Phosphorus helps to prevent aluminum from creeping into the system of the hydrangea. Choose a fertilizer close to the ratio of 25/10/10 (Phosphorus is the middle number).
Stumble. Post. Share. Hydrangeas are great to plant because you can change the color of their flowers by changing the acidity of the soil. Here's an instructional video on how to change the color of your hydrangeas.tumble. Post. Share. Hydrangeas are great to plant because you can change the color of their flowers by changing the acidity of the soil. Here's an instructional video on how to change the color of your hydrangeas.