Myth or Fact: Can You Turn Hydrangeas Blue With Pennies?
Have you heard that you can turn hydrangeas blue by keeping them planted with a penny? There are a number of hydrangea hacks that claim to improve blooms, or keep their beautiful blue blooms going strong throughout the season. In this article, gardening expert and hydrangea enthusiast Jill Drago examines if planting pennies in the soil actually works.