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).
The way you prune hydrangeas depends on the type of hydrangea and how it blooms. Some types (such as yours) bloom on old wood, so they shouldnât be pruned severely other than to remove dead branches. Other types bloom on new wood, so some strategic pruning can help them thrive.Here are some tips for pruning the hydrangeas in your yard. 1  Mophead or Lacecap Hydrangeas: (Hydrangea macrophylla) All hydrangeas with colored flowers (pink, purple, and blue) fall in this category, as well as some types of white hydrangeas.ther types bloom on new wood, so some strategic pruning can help them thrive. Here are some tips for pruning the hydrangeas in your yard. 1  Mophead or Lacecap Hydrangeas: (Hydrangea macrophylla) All hydrangeas with colored flowers (pink, purple, and blue) fall in this category, as well as some types of white hydrangeas.