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:
While many flowers simply blossom into one particular color no matter what, gardeners can influence the color outcome of hydrangea flowers depending on particular soil requirements. This makes hydrangeas a versatile addition to the garden both with greater color selection within one plant as well as a tolerance to more than one type of soil.