Hues so blue, your yard will be the talk of the neighborhood.
We’ve found that adding a fewcoffee grounds to your soilcan do just the trick.
How Do Hydrangeas Change Colors?
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to make it guaranteeblue blooms, you’ll have to ensure your soil falls into the acid category.
Enter, yourleftover coffee grounds.
Which Hydrangea Varieties Can Produce Blue Flowers?
Step one in achieving your blue hydrangea goals is selecting a variety that canproduce blue flowers.
If you have French hydrangeas or lacecaps (Hydrangea macrophylla normalis) though, it’s game on.
Pour half a cup of vinegar into one bowl of soil.
If it fizzes, your soil is alkaline.
Add a half cup of baking soda to the second container.
If that mixture results in some fizzing or bubbling, then your soil is acidic.
So, what if you come up with no reaction for either mixture?
You didn’t necessarily mess up the experiment, it just means your soil is neutral.
You do not need to do this process oftenjust two to three times per year should be sufficient.
How Long Will It Take to Turn Hydrangeas Blue?
you could repeat the process with your typical fertilizing schedule.
Just be prepared to share your secret ingredient with the neighborhoodthey’ll be green with envy at first bloom.
Acidic soils are high in aluminum and manganese.
