How to Change Your Pink Hydrangeas to Blue

Longing for Blue hydrangeas? Your wait is over, follow these simple steps for beautiful blue blooms.

How can you turn your hydrangeas blue? The magic is in the soil. Most hydrangeas, except white ones, change color based on the pH or acidity levels of their soil. The soil pH can be altered until you get the perfect shade of blue.

Changing your hydrangeas to an amazing shade of blue does take some time. For larger hydrangeas, changing the color can take a season or two. Donít worry, it will be worth it. So if Beautiful Blue hydrangeas are what you desire, just amend your soil with Espoma Organic Soil Acidifier. Itís that easy!

Soil for Blue Hydrangeas

Many soil acidifiers contain Aluminum Sulfate, which can be harsh and even toxic to some plants, such as Rhododendrons. For an organic garden, safe for people, pets and the environment lower your soil pH levels with Espoma Organic Soil Acidifier.

Before amending your soil and going blue, look at your garden. If there are plants growing near your hydrangeas make sure they also like acidic soil. If your hydrangeas are planted near concrete this may inhibit the process since concrete contains lime.

Now you are ready to change your pink hydrangeas blue!

Proper Acidity in Soil for Blue Hydrangeas

First perform a soil test to determine your soils exact pH level. For new hydrangeas plants, use 1º cups of Espoma Organic Soil Acidifier. To change mature hydrangeas blue, apply 2 cups of Organic Soil Acidifier. Apply evenly around the plants and water well.

Reapply every 60 days until the flowers are the perfect blue for you. To grow deep blue blooms, amend your soil pH to 4.5. For a lighter blue, amend your soil pH to be 5. For violet-blue hydrangea blossoms, your soil pH should be 5.5.

For beautiful blooms all season long use Holly-tone fertilizer for acid loving plants. Your beautiful hydrangeas will be the envy of all your neighbors.