A Univ. of Nev. School of Medicine, Family Medicine answered. No, there are times where you can have small releases of bacteria into your bloodstream that last only a few minutes, for example, after you have your teeth cleaned.
To change the color of your hydrangeas, add the following to the soil: CHANGE TO PINK. For hydrangea blooms to be pink, the plants must not take up aluminum from the soil. If the soil naturally contains aluminum, one must try to keep it away from the hydrangea's system. Following are a few tricks that might work:
'Bobo'. A tiny plant with tons of flowers, this hydrangea shrub shows off white blooms all summer before turning a pinkish color in the fall. Unlike many hydrangeas, the acidity of the soil does not affect the color of the blooms. 'Bobo' prefers loamy soil but is adaptable to many soil types. It grows best in part sun to sun.