Sprinkle this around the hydrangeas. They will start to sparkle with colors! 

Here's a simple trick that will make your hydrangeas sparkle with colors and bloom longer. Just sprinkle a handful around the bush. They maintain the appropriate acidity of the soil, enrich it with minerals and help maintain moisture, which is crucial during hot weather. Regular use can even give the flowers a blue tint. Try this natural method and enjoy beautiful, intensively blooming hydrangeas!