How to Make Hydrangeas Pink
As we said above, the color is determined by the pH levels in the soil. If the flowers are pink, it means they are taking up aluminum from the soil, but if they are blue, it means they are not. If you want to make them pink, you need to ensure they are getting aluminum from the soil. To check the pH levels of the soil, get a testing kit. You can also take a soil sample to a county extension office for testing. Most people prefer to get kits and do it at home, so they have more control over testing and working with the colors.
You can raise the pH levels by adding lime to your soil. If you want to try it, just follow the instructions on the product you buy. When you’re done, use your testing kit to check the level of the soil again. You may have to do this several times to get the level range you want, and it might still take several months for the flowers to change to the colors you want. This will require patience. The plants have to adjust to their new soil conditions, so this takes place over time. If it happened rapidly, they’d probably just die.
How to Make Hydrangeas Purple…
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