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.
Sometimes I will put some fertilizer on some of the annuals that are in the ground, but otherwise, plants in the ground get very little fertilizer. But I do have a lot of Hydrangeas in pots and I do need to fertilize them. I'm learning about all this myself, but when I make my potting soil I usually will put in a mixture that contains some leaf mold and will add some Greensand. I don't know how much of this is necessary, but it seems to work.