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.
Mophead hydrangeas are a must-have shrub for shady spots in Southern gardens. Learn ways to make them bloom every year and how to change their huge flowers from pink and red to blue and purple. Helping You Become a More Successful Gardener