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).
A new variety of Hydrangea paniculata wonât require as much pruning to keep it smaller. The new Little Limeâ¢ Hydrangea boasts the same colors and benefits of the famous 'Limelight' Hydrangea though only reaching three to five feet fully grown.