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.
The addition of lime to the soil around the hydrangea wonât change the flowerâs color overnight. Depending on the soilâs texture, it may take months or even up to three years, according to Reeves. Monitor the soilâs pH twice a year.
Hydrangeas for Sun. While most hydrangeas do best in shade, varieties of Hydrangea paniculata prefer sunny spots. Most selections have large clusters of white flowers in summer. The showy blooms fade to shades of pink or red before drying to beige. In many areas, they dry right on the plant in fall and stay looking good through most of the winter.