Hydrangeas are typically blue, but can turn red based on soil pH, specifically acidic soil.
Blood is acidic, so there are stories of hydrangeas turning red from dead bodies being buried under them.
33. Hydrangeas Dyed Blood Red.
Hydrangeas are typically blue, but can turn red based on soil pH, specifically acidic soil.
Blood is acidic, so there are stories of hydrangeas turning red from dead bodies being buried under them.
33. Hydrangeas Dyed Blood Red.